Kasuga volcano

submarine volcano -598 m / -1,962 ft
Volcano Islands, Japan, 21.77°N / 143.71°E
Current status: normal or dormant (1 out of 5)

Kasuga volcano is a conical submarine volcano rising 3000 m from the ocean floor to a depth of 598 m, located SE of Fukujin submarine volcano in the Volcano Islands of Japan 1550 km SSE of Tokyo. It is the northernmost of 3 seamounts forming the Kasuga seamounts complex. The Kasuga complex lies in the northern part of a backarc basin west of the Mariana volcanic arc.
Floating pumice was seen south of the volcano location in 1959 and water discolouration above the seamount was reported in November 1975.

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Typical eruption style: unknown
Kasuga volcano eruptions: 1975(?), 1959

No recent earthquakes
TimeMag. / DepthDistance/Location

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)


See also: Sentinel hub | Landsat 8
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