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크리수빅 화산

Krysuvik-Trolladyngja

화구열 · Iceland · 360m

The Krýsuvík-Trölladyngja volcanic system consists of NE-SW-trending crater rows and small shield volcanoes cutting the central Reykjanes Peninsula west of Kleifarvatn lake (top center). Several eruptions have taken place since the settlement of Iceland, including the emplacement of a large lava flow from the Ogmundargigar crater row around the 12th century. The lava flow was confined to the valley between the two parallel ridges (top left), before reaching the southern coast of the Reykjanes Peninsula (lower right) along a broad front.
The Krýsuvík-Trölladyngja volcanic system consists of NE-SW-trending crater rows and small shield volcanoes cutting the central Reykjanes Peninsula west of Kleifarvatn lake (top center). Several eruptions have taken place since the settlement of Iceland, including the emplacement of a large lava flow from the Ogmundargigar crater row around the 12th century. The lava flow was confined to the valley between the two parallel ridges (top left), before reaching the southern coast of the Reykjanes Peninsula (lower right) along a broad front. · 사진: Photo by Oddur Sigurdsson, 1983 (Icelandic National Energy Authority). · Wikimedia Commons
화산 유형
화구열
국가
Iceland
지역
대서양 / Iceland Neovolcanic Rift Volcanic Province
해발
360m
좌표
63.917, -22.067
마지막 분화
1340년
판구조 환경
Rift zone / Oceanic crust (< 15 km)
화산 지형
Cluster
주요 암석
Basalt / Picro-Basalt
지질학적 요약

The Krýsuvík-Trölladyngja volcanic system is described by the Catalogue of Icelandic Volcanoes as an approximately 50-km-long composite fissure swarm trending about N38°E, including a 30-km-long swarm of fissures, with no central volcano. It is one of the volcanic systems arranged en-echelon along the Reykjanes Peninsula west of Kleifarvatn lake. The Fagradalsfjall and Krýsuvík fissure swarms are considered splits or secondary swarms of the Krýsuvík–Trölladyngja volcanic system. Small shield volcanoes have produced a large portion of the erupted volume within the system. Several eruptions have taken place since the settlement of Iceland, including the eruption of a large basaltic lava flow from the Ogmundargigar crater row around the 12th century. The latest eruption, identified through tephrochronology, took place during the 14th century.

Wikipedia 요약

영어 요약

The volcanic system of Krýsuvík, is situated in the south–west of Iceland on the Reykjanes peninsula. It is located in the middle of Reykjanes and on the divergent plate boundary of the Mid-Atlantic Ridge which traverses Iceland. It was named after the Krýsuvík area which is part of it and consists of a fissure system without a central volcano. However, there are some indications—namely, the discovery by geophysical methods of what scientists interpret as a buried caldera, combined with the well-known, vigorous hydrothermal system above it—that an embryonic central magma chamber may already exist or be actively developing.

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분화 이력

요약 (VEI 시계열)
막대를 클릭하면 개별 분화가 표시됩니다
8500 BCE~8172 BCE · 1건 · 최고 VEI 06204 BCE~5876 BCE · 1건 · 최고 VEI 05548 BCE~5220 BCE · 1건 · 최고 VEI 21284 BCE~956 BCE · 1건 · 최고 VEI 0300 BCE~28 · 1건 · 최고 VEI 2684~1012 · 1건 · 최고 VEI 21012~1340 · 5건 · 최고 VEI 18500 BCE6204 BCE3580 BCE1284 BCE1012

상세 타임라인

  1. 1340년VEI 1지질학적 추정
    1340 ~ 진행 중
    Tradarfjöll
  2. 1325년VEI 1지질학적 추정
    1325 ~ 진행 중
    Elborg vid Trolladyngju
  3. 1188년VEI 1관측 기록
    1188 ~ 진행 중
    Mavahlidargigir
  4. 1151년VEI 1관측 기록
    1151 ~ 진행 중
    Ogmundargigar and other vents
  5. 1075년 (±75년)VEI 0지질학적 추정
    1075 ~ 진행 중
    Gvendarselsgigar
  6. 900년VEI 2지질학적 추정
    900 ~ 진행 중
    Melholl, Afstapahraun
  7. 기원전 190년 (±75년)VEI 2지질학적 추정
    BCE 190 ~ 진행 중
    Obrinnisholar
  8. 기원전 1060년 (±75년)VEI 0지질학적 추정
    BCE 1060 ~ 진행 중
    Sandfellskofagigir
  9. 기원전 5290년 (±150년)VEI 2지질학적 추정
    BCE 5290 ~ 진행 중
    Burfell
  10. 기원전 6000년VEI 0지질학적 추정
    BCE 6000 ~ 진행 중
    Hrútagjár
  11. 기원전 8500년VEI 0지질학적 추정
    BCE 8500 ~ 진행 중
    Hagafell

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