Question
This island group includes Bogoslof, the summit of a stratovolcano which was entirely below sea level until 1796. For 10 points each:
[10h] Name this island group, whose other stratovolcanoes include Mount Makushin. This island group's largest population center contains Dutch Harbor.
ANSWER: Aleutian Islands [or Aleutians or Aleut Islands or Aleutic Islands or Unangam Tanangin or Aleutskye Ostrova]
[10e] The volcanoes in the Aleutian Islands form part of this informal region, which contains around two thirds of the world's volcanoes. This horseshoe-shaped region of high tectonic activity surrounds the Pacific Ocean.
ANSWER: Pacific Ring of Fire [or Rim of Fire or Girdle of Fire or Circum-Pacific belt]
[10m] Major prehistoric eruptions at the Pacific Ring of Fire created these landforms, including one named for Fisher in Alaska and another named for Kikai in Japan. These vast sinkholes form when the ground collapses over an empty magma chamber.
ANSWER: calderas [or Fisher Caldera or Kikai Caldera Complex or Kikai karudera]
<Alexandra Hardwick , Geography - Oceania/Pacific>
Summary
| 2023 NASAT | 06/17/2023 | Y | 9 | 21.11 | 100% | 78% | 33% |
Data
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