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Kasuga volcanosubmarine volcano -598 m / -1,962 ft
Volcano Islands, Japan, 21.77°N / 143.71°E Current status: dormant (1 out of 5) [hide map] [enlarge map]
Typical eruption style: unknown
Kasuga volcano eruptions: 1975(?), 1959 Last earthquakes nearby:
Floating pumice was seen south of the volcano location in 1959 and water discolouration above the seamount was reported in November 1975. Background:Kasuga volcano contains flank vents low on the southern side of the edifice. The summit of Kasuga does not have a caldera or display hydrothermal activity, and the volcano is largely mantled by volcaniclastics. Altered basaltic and andesitic rocks dredged from the summit suggest that Kasuga 1 is the oldest of the three seamounts, although delicately preserved lava flow lobes and toes from a flank eruption suggest a very youthful age.(Smithsonian / GVP volcano information) |
