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피쿠산

Pico

성층화산 · Portugal · 2351m

The conical Pico stratovolcano rising above the clouds is seen here from Fayal Island to the northwest. The 46-km-long Pico Island can be broadly separated into the Pico stratovolcano in the west, the Planalto da Achada fissure zone in the east (a roughly 30-km-long linear ridge of fissures and cones), and the Topo-Lajes volcano in the south. Pico volcano is capped by a 560-m-wide summit crater that contains a small steep-sided cone visible on the left side of the summit in this image. Recent eruptions have been recorded from the flanks of Pico and in the Planalto da Achada fissure zone.
The conical Pico stratovolcano rising above the clouds is seen here from Fayal Island to the northwest. The 46-km-long Pico Island can be broadly separated into the Pico stratovolcano in the west, the Planalto da Achada fissure zone in the east (a roughly 30-km-long linear ridge of fissures and cones), and the Topo-Lajes volcano in the south. Pico volcano is capped by a 560-m-wide summit crater that contains a small steep-sided cone visible on the left side of the summit in this image. Recent eruptions have been recorded from the flanks of Pico and in the Planalto da Achada fissure zone. · 사진: Photo by Rick Wunderman, 1997 (Smithsonian Institution). · Wikimedia Commons
화산 유형
성층화산
국가
Portugal
지역
대서양 / Azores-Terceira Rift Volcanic Province
해발
2351m
좌표
38.470, -28.400
마지막 분화
1720년
판구조 환경
Rift zone / Oceanic crust (< 15 km)
화산 지형
Composite
주요 암석
Basalt / Picro-Basalt
지질학적 요약

The conical Pico stratovolcano occupies the western end of Pico Island and is the highest volcano in the Azores. The dominantly basaltic edifice lies west of on an older linear volcano with numerous flank cones that forms most of the 46-km-long island. It was constructed over the Montanha volcanic complex on the eastern side of the island and is capped by a 500-m-wide summit crater that is overtopped by a small steep-sided cone. An eruption beginning in 1562 from the Sao Roque Piedade/Planalto da Achada fissure zone produced lava flows that reached the northern coast. Two fissures erupted on the NNW flank and SE flank of Pico volcano in 1718, with lavas reaching the north and south coasts. Lava flows from a fissure on the SE flank in 1720 reached the ocean.

Wikipedia 요약

영어 요약

Mount Pico is a currently dormant stratovolcano located on Pico Island, in the mid-Atlantic archipelago of the Azores. It is the highest mountain in Portugal, at 2,351 metres (7,713 ft) above sea level, and is one of the highest Atlantic mountains; it is more than twice the elevation of any other peak in the Azores. It has been a designated nature reserve since 1972.

Wikipedia · CC BY-SA · 전체 기사 보기 →

분화 이력

요약 (VEI 시계열)
막대를 클릭하면 개별 분화가 표시됩니다
1562~1602 · 1건 · 최고 VEI 21682~1722 · 2건 · 최고 VEI 21923~1963 · 1건 · 최고 VEI 015621642176318431923

상세 타임라인

  1. 1963년VEI 0지질학적 추정
    1963-12-15 ~ 진행 중
    Off NW coast
  2. 1720년VEI 2관측 기록
    1720-07-10 ~ 1720-12
    SE flank (400 m)
  3. 1718년VEI 2관측 기록
    1718-02-01 ~ 1718-12-15
    SE flank (200 m), NW flank (1200 m)
  4. 1562년VEI 2관측 기록
    1562-09-21 ~ 1564
    East flank (800 m)

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