Suiyō Seamount
Suiyo Seamount
성층화산 · Japan · 991m (해저)
- 화산 유형
- 성층화산
- 국가
- Japan
- 지역
- Northwestern Pacific Volcanic Regions / Ogasawara Volcanic Arc
- 해발
- 991m (해저)
- 좌표
- 28.575, 140.633
- 마지막 분화
- 미확인
- 판구조 환경
- Subduction zone / Crustal thickness unknown
- 화산 지형
- Composite
- 주요 암석
- Andesite / Basaltic Andesite
지질학적 요약
Suiyo, one of the Shichiyo Seamounts, named for the seven days of the week, lies south of Sofugan volcano. Suiyo ("Wednesday") is a basaltic-to-dacitic submarine volcano and lava dome that rises about 1,400 m from the sea floor to within about 1,000 m of the surface. The summit crater is 1.5 km wide and about 500 m deep. Major hydrothermal activity was observed in July 1991, with temperatures reaching more the 290°C, and the volcano was reclassified as active by the Japan Meteorological Agency.
Wikipedia 요약
영어 요약Suiyo Seamount is a seamount off the eastern coast of Japan, directly south of Torishima and Sofugan volcano at the southern tip of the Izu Islands. The volcano is one of the Shichiyo Seamounts, a small group of submarine volcanoes named after different days of the week.
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