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Unnamed submarine volcano in the Pacific Ocean

Northern EPR at 10.7°N

열극 분화구 · Undersea Features · 2900m (해저)

A temperature probe from the submersible vehicle Alvin collects data at a low-temperature hydrothermal vent located in a collapse structure in the East Pacific Rise area. The maximum temperatures reached only 9.5°C. This lava flow was erupted within only a few weeks to a few months of this November 2003 expedition. The flow was covered by bacterial mats, had large amounts of bacterial floc issuing from diffuse vents, and was sparsely populated by small animals.
A temperature probe from the submersible vehicle Alvin collects data at a low-temperature hydrothermal vent located in a collapse structure in the East Pacific Rise area. The maximum temperatures reached only 9.5°C. This lava flow was erupted within only a few weeks to a few months of this November 2003 expedition. The flow was covered by bacterial mats, had large amounts of bacterial floc issuing from diffuse vents, and was sparsely populated by small animals. · 사진: Photo courtesy J.R. Voight, 2003 (Ridge2000, National Science Foundation).
화산 유형
열극 분화구
국가
Undersea Features
지역
Eastern Pacific Volcanic Regions / Northern East Pacific Rise Volcanic Province
해발
2900m (해저)
좌표
10.730, -103.580
마지막 분화
2003년
판구조 환경
Intraplate / Oceanic crust (< 15 km)
화산 지형
Cluster
주요 암석
Basalt / Picro-Basalt
지질학적 요약

Divers in the submersible Alvin discovered an extremely fresh lava flow in an unexpected location at 10°44'N on the East Pacific Rise during an expedition in November 2003. The young flow was covered by bacterial mats, had large amounts of bacterial floc ("snow-blowers") issuing from diffuse vents, and was sparsely populated by small animals. Uranium-series dating indicated that the eruption had taken place within a time window only a few months to weeks prior to the observations. This segment of the East Pacific Rise, located just north of the Clipperton Transform Fault, is an area with an estimated low magma production rate.

분화 이력

요약 (VEI 시계열)
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2003~2003 · 1건 · 최고 VEI 020032003200420042004

상세 타임라인

  1. 2003년VEI 0관측 기록
    2003-05-31 ~ 2003-10-15
    East Pacific Rise (10.73°N)

외부 링크

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