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South Sarigan Seamount

성층화산 · United States · 184m (해저)

Sidescan sonar imagery taken in 2003 shows South Sarigan seamount rising to within about 184 m of the ocean surface 12 km S of Sarigan Island. It was the site of an explosive submarine eruption in May 2010 that sent a plume of ash and steam to 12 km altitude. The seamount has an irregular summit with multiple peaks, including a possibly young cone at about 350 m depth, and flank morphology suggests it is frequently active.
Sidescan sonar imagery taken in 2003 shows South Sarigan seamount rising to within about 184 m of the ocean surface 12 km S of Sarigan Island. It was the site of an explosive submarine eruption in May 2010 that sent a plume of ash and steam to 12 km altitude. The seamount has an irregular summit with multiple peaks, including a possibly young cone at about 350 m depth, and flank morphology suggests it is frequently active. · 사진: Map courtesy Bill Embley and William Chadwick (NOAA: http://oceanexplorer.noaa.gov/explorations/03fire/logs/feb17/feb17.html)
화산 유형
성층화산
국가
United States
지역
Northwestern Pacific Volcanic Regions / Mariana Volcanic Arc
해발
184m (해저)
좌표
16.580, 145.780
마지막 분화
2010년
판구조 환경
Subduction zone / Crustal thickness unknown
화산 지형
Composite
주요 암석
No Data (checked)
지질학적 요약

South Sarigan seamount, rising to within about 184 m of the ocean surface 12 km S of Sarigan Island, was the site of a short explosive submarine eruption in May 2010 that produced a plume of ash and steam to 12 km altitude. Sidescan sonar imagery taken in 2003 shows an irregular summit with multiple peaks, including a possibly young cone at about 350 m depth, and flank morphology suggests it is a frequently active volcano.

분화 이력

요약 (VEI 시계열)
막대를 클릭하면 개별 분화가 표시됩니다
2010~2010 · 1건 · 최고 VEI 320102010201120112011

상세 타임라인

  1. 2010년VEI 3관측 기록
    2010-05-27 ~ 2010-05-29
    Northern summit cone, 184 m below sea level

외부 링크

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