Fukujin Seamount
Fukujin
성층화산 · United States · 217m (해저)
- 화산 유형
- 성층화산
- 국가
- United States
- 지역
- Northwestern Pacific Volcanic Regions / Mariana Volcanic Arc
- 해발
- 217m (해저)
- 좌표
- 21.930, 143.470
- 마지막 분화
- 1974년
- 판구조 환경
- Subduction zone / Crustal thickness unknown
- 화산 지형
- Composite
- 주요 암석
- Andesite / Basaltic Andesite
지질학적 요약
Fukujin seamount in the Mariana Volcanic Arc has risen on occasion to just beneath the ocean surface. Intermittent periods of water discoloration have been observed since the mid-20th century, and eruptions producing floating pumice were noted on several occasions.
Wikipedia 요약
영어 요약Fukujin is an active submarine volcano of the Mariana Volcanic Arc that last erupted in 1974. The summit is located about 217 m (712 ft) beneath the ocean surface, although in 1977, it was measured at 70 m (230 ft) and a shoal depth of 3 m (9.8 ft) was obtained in 1980. No minimum depth has been recorded as the presumably shallow depth poses a risk to ships. It measures 40 km (25 mi) across. Volcanic activity in the 1970s is believed to be centered along a southwestern flank vent at 1,200 m (3,900 ft) depth.
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분화 이력
상세 타임라인
- 1982년VEI 0지질학적 추정1982-01-12 ~ 1982-03-16
- 1982년VEI 0지질학적 추정1982-12-15 ~ 진행 중
- 1981년VEI 0지질학적 추정1981-01-07 ~ 1981-01-08
- 1979년VEI 0지질학적 추정1979-04-26 ~ 1980-05-12
- 1978년VEI 0지질학적 추정1978-08-24 ~ 1978-08-25
- 1977년VEI 0지질학적 추정1977-10-14 ~ 1978-03-24
- 1976년VEI 0지질학적 추정1976-08-02 ~ 1977-04-2121.95 N 143.45 E
- 1973년VEI 1관측 기록1973-09-27 ~ 1974-03-0521.93 N 143.46 E
- 1968년VEI 0관측 기록1968-09-16 ~ 진행 중
- 1959년VEI 0지질학적 추정1959-08-16 ~ 1959-10-16
- 1958년VEI 0지질학적 추정1958-08-16 ~ 1958-09-16
- 1952년VEI 0지질학적 추정1952-07-02 ~ 진행 중
- 1951년VEI 0관측 기록1951-07-15 ~ 1951-10-15
외부 링크
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