Worldwide Volcano News and Updates:
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Fri, 24 Jul 2015, 13:00
Fri, 24 Jul 2015, 12:20
Underwater topography of Kick 'em Jenny volcano (Smithsonian)
Elevated seismic activity had been noted since 11 July and a stronger seismic swarm was recorded yesterday (23 July) between 01:25 and 03:00 local time. According to a news article, more than 200 small earthquakes had been detected since 11 July and divers had observed increased degassing from the Moliniere Sculpture Park area.
The Government of Grenada has issued an alert and imposed a 5 km maritime exclusion zone around the summit of Kick em' Jenny volcano. [less]
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The Government of Grenada has issued an alert and imposed a 5 km maritime exclusion zone around the summit of Kick em' Jenny volcano. [less]
- More about Kick 'em Jenny volcano
Fri, 24 Jul 2015, 12:07
Ash plume from Sinabung's pyroclastic flow yesterday morning (photo: Mbah Lëwå / facebook)
- More about Sinabung volcano
Wed, 22 Jul 2015, 15:33
Ash plume from Raung today (BNPB)
Raung (East Java): The eruption of the volcano continues with intense ash emissions and the effusion of lava from vents inside the caldera and shows no signs of weakening.
Steam plume from Colima and a small rockfall
Ash emissions from Nevado del Ruiz on 19 July
Wed, 22 Jul 2015, 15:30
Steam plume from Colima and a small rockfall
No incandescence was visible at its front on the webcam during the past nights and only few rockfalls occurred. [less]
- More about Colima volcano
Wed, 22 Jul 2015, 15:18
Ash plume from Raung today (BNPB)
Depending on the wind direction, the ash plume, approx. at 5 km altitude, drifted several hundred kilometers and has been causing repeated closures of nearby regional airports, most notably Surabaya and Bali. Hundreds of travelers were temporarily stranded as their flights were canceled.
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MODIS heat emission from Raung (MIROVA)
Tremor amplitude of Raung as of 15 July (BNPB)
- More about Raung volcano
Wed, 22 Jul 2015, 14:54
The volcano continues to slowly effuse viscous lava which feeds the lava dome on its summit. This activity results in numerous avalanches and pyroclastic flows. ...more
Several thousands of people continue to live in temporary shelters.
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#GunungSinabung Masih Semburkan Debu Vulkanik http://t.co/fX8Ke1uUQF pic.twitter.com/08Ez7lXzhQ
— KOMPAS TV (@KompasTV) July 22, 2015- More about Sinabung volcano
Wed, 22 Jul 2015, 14:47
Ash emissions from Nevado del Ruiz on 19 July
Ash fall occurred on 13 July in nearby villages in up to 30 km distance to the southwest (in Chinchina). On 19 July, another series of explosions produced ash plumes that rose approx. 1 km above the crater and quickly dissipated.
According to scientists, the current magmatic system of Nevado del Ruiz is controlled by 3 reservoirs (magma chambers): one with basaltic magma at approx. 10 km depth, a second one with cooler and more silica-rich (dacitic) magma at approx. 5 km and a near-surface one at 2 km depth with an intermediate (andesitic) magma.
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According to scientists, the current magmatic system of Nevado del Ruiz is controlled by 3 reservoirs (magma chambers): one with basaltic magma at approx. 10 km depth, a second one with cooler and more silica-rich (dacitic) magma at approx. 5 km and a near-surface one at 2 km depth with an intermediate (andesitic) magma.
Ash emissions from Nevado del Ruiz on 19 July seen from Manizales
- More about Nevado del Ruiz volcano
Wed, 22 Jul 2015, 14:15
Gas plume with possibly light ash from Sabancaya volcano (Peru)
Seismic activity at the volcano remains low but above background. A slight increase in quakes related to internal fluid movements (gasses, water, magma) was noted during the past week.
Staff from the INGEMMET volcano observatory visited the summit area on 9 and 10 July and sampled ash that had been erupted during the recent weeks. A significant fraction of the ash was confirmed to originate from fresh ("juvenile") magma (as opposed to older weathered rock fragments), which confirms that the volcano has entered a magmatic eruptive phase. [less]
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Staff from the INGEMMET volcano observatory visited the summit area on 9 and 10 July and sampled ash that had been erupted during the recent weeks. A significant fraction of the ash was confirmed to originate from fresh ("juvenile") magma (as opposed to older weathered rock fragments), which confirms that the volcano has entered a magmatic eruptive phase. [less]
- More about Sabancaya volcano
Wed, 22 Jul 2015, 13:58
Volcanic unrest continues. Yesterday, the Geophysical Institute registered 105 episodes of volcanic tremor and 3 volcano-tectonic earthquakes. ...more
SO2 emissions remain elevated, at nearly 3000 tons per day. [less]
- More about Cotopaxi volcano
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Wed, 22 Jul 2015, 13:54
Ash emissions from small explosions at the volcano were detected on satellite imagery last Monday (20 July). The ash plumes rose to estimated 12,000 ft (4 km) altitude and drifted SE.
- More about Chirinkotan volcano
Tue, 21 Jul 2015, 22:00
Cleveland (Aleutian Islands, Alaska): AVO detected an explosion at Cleveland Volcano in both infrasound (air pressure) and seismic data this morning at 08:17 AKDT (16:17 UTC). ...more
Satellite views are obscured by clouds at about 30,000 feet above sea level. No ash has been observed above the clouds at this time. Clouds obscure views by web camera this morning. (AVO / USGS volcano activity notice)
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Tue, 21 Jul 2015, 19:28
AVO detected an explosion at Cleveland Volcano in both infrasound (air pressure) and seismic data this morning at 08:17 AKDT (16:17 UTC). ...more
Satellite views are obscured by clouds at about 30,000 feet above sea level. No ash has been observed above the clouds at this time. Clouds obscure views by web camera this morning. (AVO / USGS volcano activity notice) [less]
- More about Cleveland volcano
Mon, 20 Jul 2015, 13:05
Several explosions during 18-19 July produced white-and-gray plumes that rose 300-800 m and drifted NW. A preliminary count of refugees showed there were 1,505 people (450 families) displaced by the eruption. Ash deposits were 1.5-6 mm thick in northwestern villages.
- More about Gamalama volcano
Mon, 20 Jul 2015, 12:05
A series of ash eruptions occurred during the past week. A part of the volcano's crater wall has collapsed.
- More about Zhupanovsky volcano
Mon, 20 Jul 2015, 12:05
PHIVOLCS reported that at 1310 on 17 July an explosion at Bulusan, detected by the seismic network for 11 minutes, generated an ash plume that rose 200 m above the crater and drifted WNW. ...more
Ashfall was reported in areas to the N and NE in the Sorsogon Province, including Inlagadian (municipality of Casiguran), Tigkiw, Tugawe, Nazareno, Bugtong, and Rizal (municipality of Gubat), and Fabrica, San Isidro, Sta. Cruz, and San Ramon (municipality of Barcelona).
The Alert Level remained at 1, indicating abnormal conditions and a 4-km radius Permanent Danger Zone (PDZ). [less]
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The Alert Level remained at 1, indicating abnormal conditions and a 4-km radius Permanent Danger Zone (PDZ). [less]
- More about Bulusan volcano
Fri, 17 Jul 2015, 22:00
Archive photograph showing explosive activity of Colima volcano in February 2015, with the city lights of Colima in the background.
The eruption had been preceded by increasing seismic activity since late June. The alert level of the volcano remains at 2 (waspada) on a scale of 1-4, but VAAC Darwin raised the aviation color code to "orange". An exclusion zone of 1.5 km around the summit is in place.
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Archive photograph of fuming Colima volcano with the city of Colima in the background, February 2015.
Fri, 17 Jul 2015, 12:35
Archive photograph showing explosive activity of Colima volcano in February 2015, with the city lights of Colima in the background.
During an overflight this morning, we could see that last week's lava dome no longer exists and that the southern rim of the crater is breached, through where the lava flow emerging from a vent in the crater exits onto the steep flank.
Vigorous degassing creates a steam plume rising up to approx. 1 km from the crater. [less]
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Vigorous degassing creates a steam plume rising up to approx. 1 km from the crater. [less]
- More about Colima volcano
Fri, 17 Jul 2015, 00:28
Archive photograph of fuming Colima volcano with the city of Colima in the background, February 2015.
During an overflight this morning, we could see that last week's lava dome no longer exists and that the southern rim of the crater is breached, through where the lava flow emerging from a vent in the crater exits onto the steep flank.
Vigorous degassing creates a steam plume rising up to approx. 1 km from the crater. [less]
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Vigorous degassing creates a steam plume rising up to approx. 1 km from the crater. [less]
- More about Colima volcano
Fri, 17 Jul 2015, 00:16
A phreatic explosion occurred yesterday (16 July) at 10 am local time, producing an ash plume that rose 1500 m. Ternate's airport was temporarily closed following the eruption. ...more
The eruption had been preceded by increasing seismic activity since late June. The alert level of the volcano remains at 2 (waspada) on a scale of 1-4, but VAAC Darwin raised the aviation color code to "orange". An exclusion zone of 1.5 km around the summit is in place. [less]
- More about Gamalama volcano
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Thu, 16 Jul 2015, 22:00
Colima last night with the active lava flow on the southern side
Constant glow is seen from the crater, where a lava dome continues to feed the southern lava flow. Occasional rockfalls occur from other areas of the SW and W crater rim as well.
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Thu, 16 Jul 2015, 00:24
Colima last night with the active lava flow on the southern side
Constant glow is seen from the crater, where a lava dome continues to feed the southern lava flow. Occasional rockfalls occur from other areas of the SW and W crater rim as well.
The large paroxysm during the past weekend seems to have removed part of the southern crater wall and a significant part of the dome. Most of this probably occurred during the violent pyroclastic flow on Saturday around 13:00 local time, which reached 12 km distance and came close to Montitlán village. [less]
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The large paroxysm during the past weekend seems to have removed part of the southern crater wall and a significant part of the dome. Most of this probably occurred during the violent pyroclastic flow on Saturday around 13:00 local time, which reached 12 km distance and came close to Montitlán village. [less]
- More about Colima volcano
Tue, 14 Jul 2015, 12:05
Raung's ash plume seen on 12 July from space
Satellite view of the lava-filled caldera of Raung on 11 July
- More about Raung volcano
Mon, 13 Jul 2015, 23:00
Colima (Western Mexico): The volcano's activity at least seems to have quieted down and changed in style, now producing less rock avalanches and pyroclastic flows (as result of lava extrusion and overspilling), but more intermittent explosions. ...more
Field report: activity of pyroclastic flows rapidly increased on Saturday 11 July, with powerful pyroclastic flows that traveled as far as approx. 10 km, mainly into the ravines of La Lumbre and Montegrande on the SW and S sides. When arriving in Colima Sunday noon, pyroclastic flows on the southern side were nearly continuous although only the base of the volcano was visible. In the course of the evening and the night, this activity decreased a lot. Judging from diffuse glow visible through cloud cover, it seems a coherent lava flow was active on the upper S side.
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Mon, 13 Jul 2015, 22:36
Ash explosion from Colima today
Field report: activity of pyroclastic flows rapidly increased on Saturday 11 July, with powerful pyroclastic flows that traveled as far as approx. 10 km, mainly into the ravines of La Lumbre and Montegrande on the SW and S sides. When arriving in Colima Sunday noon, pyroclastic flows on the southern side were nearly continuous although only the base of the volcano was visible. In the course of the evening and the night, this activity decreased a lot. Judging from diffuse glow visible through cloud cover, it seems a coherent lava flow was active on the upper S side.
Today, no pyroclastic flows have been seen (but most of the time, the volcano has been in clouds), but several moderately sized ash plumes rose from the summit, presumably caused by explosions. [less]
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Today, no pyroclastic flows have been seen (but most of the time, the volcano has been in clouds), but several moderately sized ash plumes rose from the summit, presumably caused by explosions. [less]
- More about Colima volcano
Fri, 10 Jul 2015, 19:24
Strombolian eruption from Raung volcano
Ash emissions have been intense enough to produce a plume that rose to 17,000 ft (5 km) altitude and drifted more than 150 km to the SE. Several regional airports including Denpasar (DPS) on Bali have been closed.
A recent visit by our friend and volcano expedition organizer Aris Yanto / Exploredesa shows that a new cone has been built inside the crater.
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A recent visit by our friend and volcano expedition organizer Aris Yanto / Exploredesa shows that a new cone has been built inside the crater.
Pyroclastic flow from Colima this afternoon
Degassing from Sabancaya volcano last week (IGP)
Fri, 10 Jul 2015, 19:21
Pyroclastic flow from Colima this afternoon
Glowing avalanches from Colima last night
- More about Colima volcano
Fri, 10 Jul 2015, 18:57
The volcano continues to erupt. On Wednesday (8 July), an explosion generated an ash plume that rose to 9,000 ft (2.7 km) altitude and drifted 35 km to the south. ...more
When flying past the volcano during our recent Batu Tara expedition, we could see a dense gas plume drifting from its summit crater. [less]
- More about Sangeang Api volcano
Fri, 10 Jul 2015, 18:53
Activity at the volcano has been comparably low. On average, 2-3 smaller pyroclastic flows per day have been occurring, our expedition leader Andi who is currently at Sinabung reported.
- More about Sinabung volcano
Fri, 10 Jul 2015, 18:49
The volcano continues to erupt dense, but low level ash plumes that often can be detected on satellite imagery drifting 30-50 km NE.
- More about Dukono volcano
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Fri, 10 Jul 2015, 18:47
Darwin VAAC raised the aviation alert level to orange, after a plume of steam and possible light ash emissions were seen on satellite images drifting SW from the volcano last Tuesday. ...more
Local observers reported a thick steam plume rising approx. 500 m from the volcano, but the volcano observatory had no particular indications (such as increased earthquakes, sulfur smell, rumblings) of a new eruptive phase.
The last confirmed activity at the volcano was likely a (single) phreatic explosion in May 2012. [less]
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The last confirmed activity at the volcano was likely a (single) phreatic explosion in May 2012. [less]
- More about Sirung volcano
Fri, 10 Jul 2015, 17:43
Degassing from Sabancaya volcano last week (IGP)
During the first week of July, activity decreased a bit, but remained significant. IGP does not expect a large scale eruption in the near future, but warns that sudden explosions could occur at the crater.
Long-period seismicity (fluid movements) decreased to averaged of 72 events / day, while shallow rock-fracturing quakes remained frequent with an average of 9 per day.
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Long-period seismicity (fluid movements) decreased to averaged of 72 events / day, while shallow rock-fracturing quakes remained frequent with an average of 9 per day.
Map of shallow quakes during 1-6 July 2015 (IGP)
Seismicity at Sabancaya during the past months (IGP)
- More about Sabancaya volcano
Fri, 10 Jul 2015, 12:05
On 7 July OVDAS-SERNAGEOMIN reported that the Alert Level for Guallatiri was lowered to Green (the lowest level on a four-color scale) because activity had returned to the baseline levels observed prior to the Alert-Level increase in May. Baseline levels were characterized by low levels of seismicity, no deformation, and white emissions.
- More about Guallatiri volcano
Fri, 10 Jul 2015, 10:54
Strombolian eruption from Raung volcano
Ash emissions have been intense enough to produce a plume that rose to 17,000 ft (5 km) altitude and drifted more than 150 km to the SE. Several regional airports including Denpasar (DPS) on Bali have been closed.
A recent visit by our friend and volcano expedition organizer Aris Yanto / Exploredesa shows that a new cone has been built inside the crater. [less]
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A recent visit by our friend and volcano expedition organizer Aris Yanto / Exploredesa shows that a new cone has been built inside the crater. [less]
- More about Raung volcano
Wed, 8 Jul 2015, 00:00
Tue, 7 Jul 2015, 23:17
- More about Batu Tara volcano
Mon, 6 Jul 2015, 22:00
Piton de la Fournaise (La Réunion): A new eruption could be underway at the volcano, the Volcano Observatory reported. Today, it recorded a seismic swarm of shallow earthquakes located under the summit of Dolomieu crater that started at noon. ...more
The prefecture declared alert phase 1 "probable eruption" and closed public access to the Enclos.
Aso (Kyushu): intense strombolian activity from main vent in Nakadake crater (updated 22 May 2015)
Bagana (Bougainville Island, Papua New Guinea): ash emissions, lava dome growth (updated 5 Jun 2015)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 5 Jul 2015)
Calbuco (Southern Chile and Argentina): steaming (updated 30 Apr 2015)
Colima (Western Mexico): Irregular small to moderately large explosions (updated 3 Jun 2015)
Copahue (Chile/Argentina): ash venting (updated 4 Dec 2014)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 5 Jul 2015)
Erebus (Antarctica): active lava lake in summit crater (updated 8 Dec 2014)
Erta Ale (Ethiopia): active lava lake in northern pit crater, active hornito with intermittend flow in southern crater (updated 11 Jan 2013)
Fuego (Guatemala): intermittent strombolian explosions (updated 5 Jul 2015)
Ibu (Halmahera, Indonesia): stromolian and phreatomagmatic explosions (updated 14 Nov 2014)
Karangetang (Siau Island, Sangihe Islands, Indonesia): lava flows, weak explosive activity at summit crater (updated 11 Jun 2015)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 10 Jun 2015)
Kilauea (Hawai'i): new lava flow from vents on NE flank of Pu'u 'O'o (updated 28 Apr 2015)
Kliuchevskoi (Kamchatka): ash emissions, weak strombolian activity (updated 11 May 2015)
Manam (Papua New Guinea): occasional ash emissions (updated 28 Jun 2015)
Mount Olympus (Mars)
Nishino-shima (Volcano Islands, Japan): growing island (updated 23 Jun 2015)
Nyiragongo (DRCongo): active lava lake in summit crater (updated 26 Feb 2014)
Ol Doinyo Lengai (Tanzania): effusion of natrocarbonatite lava inside the crater (updated 8 Jul 2013)
Poas (Costa Rica): phreatic explosions (updated 14 Oct 2014)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 13 Apr 2015)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): lava fountains, ash emissions from Tavurvur cone (updated 12 Sep 2014)
Raung (East Java): mild strombolian activity in summit crater (updated 5 Jul 2015)
Reventador (Ecuador): lava flow on SW flank (updated 28 Jun 2015)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 22 Jun 2015)
Sangay (Ecuador): likely strombolian eruptions at summit crater (updated 13 Mar 2015)
Santiaguito (Guatemala): small explosions from the Caliente dome and active lava flow (updated 3 Feb 2015)
Semeru (East Java, Indonesia): growing lava dome, lava flow, strombolian activity (updated 16 Jun 2015)
Shiveluch (Kamchatka): growing lava dome (updated 24 May 2015)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 5 Jul 2015)
Soputan (North Sulawesi, Indonesia): active viscous lava flow, explosions, rockfalls, pyroclastic flows (updated 9 Mar 2015)
Stromboli (Eolian Islands, Italy): weak strombolian activity at summit vents (updated 16 Apr 2015)
Suwanose-jima (Ryukyu Islands): strombolian activity (updated 25 Apr 2015)
Telica (Nicaragua): sporadic ash emissions and explosions (updated 28 May 2015)
Tungurahua (Ecuador): volcanic unrest, ash emissions, degassing (updated 5 Jul 2015)
Turrialba (Costa Rica): ash emissions, weak strombolian activity (updated 20 May 2015)
Ubinas (Peru): intermittent ash emissions (updated 28 Jun 2015)
Villarrica (Central Chile): small lava lake in summit crater (updated 12 May 2015)
Wolf (Galápagos Islands, Ecuador): large explosive-effusive eruption since 25 May 2015 (updated 25 May 2015)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)
Augustine (Cook Inlet (SW Alaska))
Barren Island (Indian Ocean): weak thermal hot spot (updated 6 Jun 2015)
Bezymianny (Central Kamchatka Depression): steaming, weak seismic activity (updated 3 Jul 2014)
Bulusan (Luzon Island, Philippines): occasional phreatic explosions (updated 16 Jun 2015)
Cleveland (Aleutian Islands, Alaska): growth of a small lava dome, ash emissions (updated 18 Jun 2015)
Etna (Sicily, Italy): sporadic weak ash emissions from New SE crater (updated 19 Apr 2014)
Heard (Australia, Southern Indian Ocean): possibly lava lake in summit crater (updated 5 Dec 2014)
Kavachi (Solomon Islands): no eruption since 2007 (updated 16 Jun 2014)
Kerinci (Sumatra): seismic unrest, steam emissions (updated 5 Jun 2013)
Kirishima (Kyushu): degassing, alert lowered (updated 25 Oct 2014)
Krakatau (Sunda Strait, Indonesia): steaming, seismic unrest (updated 31 Mar 2014)
Kuchinoerabu-jima (Ryukyu Islands): large explosive eruption on 29 May 2015 (updated 27 Mar 2015)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 22 May 2015)
Lopevi (Vanuatu): eruption warning (updated 16 Dec 2014)
Mayon (Luzon Island): steaming (updated 18 Dec 2014)
Nevado del Ruiz (Colombia): intermittent ash emissions, seismic unrest (updated 28 May 2015)
Nyamuragira (DRCongo): active lava lake (updated 29 Nov 2014)
Ontake-san (Honshu): steaming, low seismic activity (updated 18 Dec 2014)
Pacaya (Guatemala): weak strombolian activity in summit crater (updated 5 Jul 2015)
Papandayan (West Java): steaming (updated 6 May 2013)
Pavlof (Alaska Peninsula, USA): steaming, elevated seismic activity (updated 22 Dec 2014)
Piton de la Fournaise (La Réunion): seismic swarm, eruption warning (updated 6 Jul 2015)
Rasshua (Central Kuriles)
Rincón de la Vieja (Costa Rica): phreatic explosions from crater lake (updated 21 Sep 2014)
Sacabaya (Northern Chile, Bolivia and Argentina)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 9 Mar 2015)
San Miguel (El Salvador): elevated seismic activity, pulsating gas emissions (updated 28 Jan 2015)
Sangeang Api (Indonesia): lava flow on SE flank (updated 28 Jun 2015)
Shishaldin (United States, Aleutian Islands): mild explosive activity, intermittent more intense phases (updated 3 Apr 2015)
Slamet (Central Java): steam emissions (updated 12 Jan 2015)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)
Zhupanovsky (Kamchatka, Russia): intermittent ash emissions (updated 22 Jun 2015)
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Volcano Activity Summary for 6 Jul 2015:
Currently erupting:
Ambrym (Vanuatu): active lava lakes in several craters (updated 24 May 2015)Aso (Kyushu): intense strombolian activity from main vent in Nakadake crater (updated 22 May 2015)
Bagana (Bougainville Island, Papua New Guinea): ash emissions, lava dome growth (updated 5 Jun 2015)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 5 Jul 2015)
Calbuco (Southern Chile and Argentina): steaming (updated 30 Apr 2015)
Colima (Western Mexico): Irregular small to moderately large explosions (updated 3 Jun 2015)
Copahue (Chile/Argentina): ash venting (updated 4 Dec 2014)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 5 Jul 2015)
Erebus (Antarctica): active lava lake in summit crater (updated 8 Dec 2014)
Erta Ale (Ethiopia): active lava lake in northern pit crater, active hornito with intermittend flow in southern crater (updated 11 Jan 2013)
Fuego (Guatemala): intermittent strombolian explosions (updated 5 Jul 2015)
Ibu (Halmahera, Indonesia): stromolian and phreatomagmatic explosions (updated 14 Nov 2014)
Karangetang (Siau Island, Sangihe Islands, Indonesia): lava flows, weak explosive activity at summit crater (updated 11 Jun 2015)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 10 Jun 2015)
Kilauea (Hawai'i): new lava flow from vents on NE flank of Pu'u 'O'o (updated 28 Apr 2015)
Kliuchevskoi (Kamchatka): ash emissions, weak strombolian activity (updated 11 May 2015)
Manam (Papua New Guinea): occasional ash emissions (updated 28 Jun 2015)
Mount Olympus (Mars)
Nishino-shima (Volcano Islands, Japan): growing island (updated 23 Jun 2015)
Nyiragongo (DRCongo): active lava lake in summit crater (updated 26 Feb 2014)
Ol Doinyo Lengai (Tanzania): effusion of natrocarbonatite lava inside the crater (updated 8 Jul 2013)
Poas (Costa Rica): phreatic explosions (updated 14 Oct 2014)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 13 Apr 2015)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): lava fountains, ash emissions from Tavurvur cone (updated 12 Sep 2014)
Raung (East Java): mild strombolian activity in summit crater (updated 5 Jul 2015)
Reventador (Ecuador): lava flow on SW flank (updated 28 Jun 2015)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 22 Jun 2015)
Sangay (Ecuador): likely strombolian eruptions at summit crater (updated 13 Mar 2015)
Santiaguito (Guatemala): small explosions from the Caliente dome and active lava flow (updated 3 Feb 2015)
Semeru (East Java, Indonesia): growing lava dome, lava flow, strombolian activity (updated 16 Jun 2015)
Shiveluch (Kamchatka): growing lava dome (updated 24 May 2015)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 5 Jul 2015)
Soputan (North Sulawesi, Indonesia): active viscous lava flow, explosions, rockfalls, pyroclastic flows (updated 9 Mar 2015)
Stromboli (Eolian Islands, Italy): weak strombolian activity at summit vents (updated 16 Apr 2015)
Suwanose-jima (Ryukyu Islands): strombolian activity (updated 25 Apr 2015)
Telica (Nicaragua): sporadic ash emissions and explosions (updated 28 May 2015)
Tungurahua (Ecuador): volcanic unrest, ash emissions, degassing (updated 5 Jul 2015)
Turrialba (Costa Rica): ash emissions, weak strombolian activity (updated 20 May 2015)
Ubinas (Peru): intermittent ash emissions (updated 28 Jun 2015)
Villarrica (Central Chile): small lava lake in summit crater (updated 12 May 2015)
Wolf (Galápagos Islands, Ecuador): large explosive-effusive eruption since 25 May 2015 (updated 25 May 2015)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)
Eruption warning / minor activity:
Asama (Honshu): occasional small explosions since 16 June 2015 (updated 22 Jun 2015)Augustine (Cook Inlet (SW Alaska))
Barren Island (Indian Ocean): weak thermal hot spot (updated 6 Jun 2015)
Bezymianny (Central Kamchatka Depression): steaming, weak seismic activity (updated 3 Jul 2014)
Bulusan (Luzon Island, Philippines): occasional phreatic explosions (updated 16 Jun 2015)
Cleveland (Aleutian Islands, Alaska): growth of a small lava dome, ash emissions (updated 18 Jun 2015)
Etna (Sicily, Italy): sporadic weak ash emissions from New SE crater (updated 19 Apr 2014)
Heard (Australia, Southern Indian Ocean): possibly lava lake in summit crater (updated 5 Dec 2014)
Kavachi (Solomon Islands): no eruption since 2007 (updated 16 Jun 2014)
Kerinci (Sumatra): seismic unrest, steam emissions (updated 5 Jun 2013)
Kirishima (Kyushu): degassing, alert lowered (updated 25 Oct 2014)
Krakatau (Sunda Strait, Indonesia): steaming, seismic unrest (updated 31 Mar 2014)
Kuchinoerabu-jima (Ryukyu Islands): large explosive eruption on 29 May 2015 (updated 27 Mar 2015)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 22 May 2015)
Lopevi (Vanuatu): eruption warning (updated 16 Dec 2014)
Mayon (Luzon Island): steaming (updated 18 Dec 2014)
Nevado del Ruiz (Colombia): intermittent ash emissions, seismic unrest (updated 28 May 2015)
Nyamuragira (DRCongo): active lava lake (updated 29 Nov 2014)
Ontake-san (Honshu): steaming, low seismic activity (updated 18 Dec 2014)
Pacaya (Guatemala): weak strombolian activity in summit crater (updated 5 Jul 2015)
Papandayan (West Java): steaming (updated 6 May 2013)
Pavlof (Alaska Peninsula, USA): steaming, elevated seismic activity (updated 22 Dec 2014)
Piton de la Fournaise (La Réunion): seismic swarm, eruption warning (updated 6 Jul 2015)
Rasshua (Central Kuriles)
Rincón de la Vieja (Costa Rica): phreatic explosions from crater lake (updated 21 Sep 2014)
Sacabaya (Northern Chile, Bolivia and Argentina)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 9 Mar 2015)
San Miguel (El Salvador): elevated seismic activity, pulsating gas emissions (updated 28 Jan 2015)
Sangeang Api (Indonesia): lava flow on SE flank (updated 28 Jun 2015)
Shishaldin (United States, Aleutian Islands): mild explosive activity, intermittent more intense phases (updated 3 Apr 2015)
Slamet (Central Java): steam emissions (updated 12 Jan 2015)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)
Zhupanovsky (Kamchatka, Russia): intermittent ash emissions (updated 22 Jun 2015)
Mon, 6 Jul 2015, 16:59
A new eruption could be underway at the volcano, the Volcano Observatory reported. Today, it recorded a seismic swarm of shallow earthquakes located under the summit of Dolomieu crater that started at noon. ...more
The prefecture declared alert phase 1 "probable eruption" and closed public access to the Enclos. [less]
- More about Piton de la Fournaise volcano
Sun, 5 Jul 2015, 11:58
Pyroclastic flow on Fuego volcano, July 1, 2015 (image: CONRED)
Sun, 5 Jul 2015, 11:57
Over the past days, pyroclastic flows have been weaker and less frequent, but the slow extrusion of lava at the summit continues with little change. The volcano remains at highest alert.
- More about Sinabung volcano
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Sun, 5 Jul 2015, 11:53
Mild strombolian activity producing small ash plumes continues at the Mackenney crater. Incandescence is visible from the crater at night,
- More about Pacaya volcano
Sun, 5 Jul 2015, 11:51
Activity (explosions, ash emissions) remains elevated. An ash plume was observed extending 70 km NE from the volcano on 3 July (VAAC Darwin).
- More about Dukono volcano
Sun, 5 Jul 2015, 11:48
Pyroclastic flow on Fuego volcano, July 1, 2015 (image: CONRED)
Areas in the La Réunion area near the Las Lajas river bed were evacuated.
After 2 July, activity decreased again and has by now returned to normal strombolian activity, with 4-6 explosions per hour, small to moderate in size, that produce ash plumes rising up to 1 km.
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After 2 July, activity decreased again and has by now returned to normal strombolian activity, with 4-6 explosions per hour, small to moderate in size, that produce ash plumes rising up to 1 km.
Lava flow during the night 1-2 July
- More about Fuego volcano
Sun, 5 Jul 2015, 11:31
Ash emissions from Tungurahua on 3 July
This was the first significant activity since the weak eruptive episode in April.
IGEPN reported moderate internal activity and does not exclude that more vigorous eruptions might follow in the near future. [less]
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IGEPN reported moderate internal activity and does not exclude that more vigorous eruptions might follow in the near future. [less]
- More about Tungurahua volcano
Sun, 5 Jul 2015, 11:08
The effusive-explosive activity at the volcano continued and increased over the past week. Strombolian explosions accompany a lava flow emitted from a vent inside the large summit crater. ...more
Some of the explosions were strong enough to produce significant but low-level ash plumes drifting east. Some airlines canceled flights to Surabaya and Bali that would pass near or in the paths of the plumes.
The alert level was raised to 3("Siaga") on a scale of 1-4 and some nearby villages have been evacuated. [less]
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The alert level was raised to 3("Siaga") on a scale of 1-4 and some nearby villages have been evacuated. [less]
- More about Raung volcano
Sun, 5 Jul 2015, 04:59
The activity at the volcano remains intense. We visited Batu Tara from 30 June - 4 July on our recent Volcano Special tour and observed strombolian eruptions of varying intensity at intervals ranging between 10 and 50 minutes. ...more
The strongest explosions caused loud cannon-shot like noises and produced abundant incandescent ejections that reached heights and distances of up to approx. 500 m from the crater. They were followed by glowing avalanches of blocks rolling down the sciara to the sea.
On 3 occasions within 16 hours between the evening of 2 and morning of 3 July, unusually strong eruptions produced small pyroclastic flows triggered by collapsing material from the eruption and small parts of the crater rim. These flows traveled down the sciara and over the sea for up approx. 200 meters. [less]
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On 3 occasions within 16 hours between the evening of 2 and morning of 3 July, unusually strong eruptions produced small pyroclastic flows triggered by collapsing material from the eruption and small parts of the crater rim. These flows traveled down the sciara and over the sea for up approx. 200 meters. [less]
- More about Batu Tara volcano
Wed, 1 Jul 2015, 12:05
Following a small explosion in the Owakudani hydrothermal area and increased seismic activity, the alert level of the volcano was raised to 3 (on a scale of 1-5) on 30 June. ...more
A seismic crisis occurred on 29 June starting at 7:36 am (local time). Most tremors were small, but almost 140 quakes occurred within less than half an hour. [less] [read all]
A seismic crisis occurred on 29 June starting at 7:36 am (local time). Most tremors were small, but almost 140 quakes occurred within less than half an hour. [less]
- More about Hakone volcano
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