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Esmeralda Bank

성층화산 · United States · 74m (해저)

A bathymetric model with 2x vertical exaggeration shows the Esmeralda Bank submarine volcano, as seen from the NW. Depths in this image range from 54 to 2,052 m. Bathymetry data (~25 m resolution) is overlaid on SeaBat data (~50 m resolution) courtesy of Yoshihiko Tamura (JAMSTEC). The main central edifice seen here has a 3-km summit crater open to the W. Sulfur and water discoloration from eruptive or geothermal activity have frequently been observed.
A bathymetric model with 2x vertical exaggeration shows the Esmeralda Bank submarine volcano, as seen from the NW. Depths in this image range from 54 to 2,052 m. Bathymetry data (~25 m resolution) is overlaid on SeaBat data (~50 m resolution) courtesy of Yoshihiko Tamura (JAMSTEC). The main central edifice seen here has a 3-km summit crater open to the W. Sulfur and water discoloration from eruptive or geothermal activity have frequently been observed. · 사진: Image courtesy of Susan Merle (Oregon State University/NOAA Vents Program). · Wikimedia Commons
화산 유형
성층화산
국가
United States
지역
Northwestern Pacific Volcanic Regions / Mariana Volcanic Arc
해발
74m (해저)
좌표
14.958, 145.249
마지막 분화
미확인
판구조 환경
Subduction zone / Crustal thickness unknown
화산 지형
Composite
주요 암석
Basalt / Picro-Basalt
지질학적 요약

Esmeralda Bank is a massive submarine volcano with three cones oriented N-S over about 15 km. The high points on the crater rim of the large middle edifice, with a collapse scarp open to the W, are about 75 m below the ocean surface. Frequent sulfur-rich surface bubbling and water discoloration have been observed, which have variously been attributed to eruptive events or fumarolic activity.

Wikipedia 요약

영어 요약

Esmeralda Bank is a submarine volcano around 37 km west of Tinian Island of the Northern Mariana Islands in the Pacific Ocean. It is located at the southern end of the Mariana Arc. It has three summit cones lying along a north–south line. The highest peak is about 43 meters below the sea surface and has a caldera about 3 kilometers wide and several parasitic cones on the edge of the caldera. Sulfur boils and water discoloration have been observed at the site of the volcano, attributed to either eruptions or fumarolic activity.

Wikipedia · CC BY-SA · 전체 기사 보기 →

분화 이력

요약 (VEI 시계열)
막대를 클릭하면 개별 분화가 표시됩니다
1944~1948 · 1건 · 최고 VEI 01961~1966 · 1건 · 최고 VEI 21970~1974 · 1건 · 최고 VEI 01974~1978 · 1건 · 최고 VEI 01978~1983 · 1건 · 최고 VEI 01983~1987 · 1건 · 최고 VEI 019441953196619741983

상세 타임라인

  1. 1987년VEI 0지질학적 추정
    1987-05-26 ~ 진행 중
  2. 1982년VEI 0지질학적 추정
    1982-04-06 ~ 진행 중
  3. 1975년VEI 0지질학적 추정
    1975-04-26 ~ 1975-04-29
  4. 1970년 (±1년)VEI 0지질학적 추정
    1970-07-02 ~ 진행 중
  5. 1964년VEI 2지질학적 추정
    1964-04-14 ~ 진행 중
  6. 1944년VEI 0지질학적 추정
    1944-08-20 ~ 진행 중

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