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|FDSN code||6J (2021-2022)||Network name||RAPID: Response to the 29 July 2021 Chignik Earthquake (2021 Chignik RAPID)|
|Start year||2021||Operated by|
|End year||2022||Deployment region||-|
The July 2021 Chignik earthquake (M8.2) was the biggest earthquake in the US since 1965 (Rat Islands). It ruptured a segment of the megathrust offshore of the Alaska Peninsula, which last ruptured in 1938, although there are some differences. It is also the middle of the recent AACSE project, which deployed 30 PASSCAL Broadbands, 75 OBSs, and 398 Nodes in 2018-8, making it among the best-characterized megathrust segments. This dataset contains the on-shore seismic aftershock survey, where we reoccupy several AACSE sites on the Shumagin Islands, Alaska Peninsula and Kodiak, with one new deployment on the Semidi islands close to the epicenter. Stations are deployed from Kodiak or Chignik. Sites are deployed in early August 2021, within 2 weeks of the mainshock, and continue until May-June 2022 when they are recovered. All sites have compact broadband sensors and are powered by Air-Alkaline Cells, which are relatively winter- and bear-resistant. All data are to be made open as rapidly as possible.
|Digital Object Identifier (DOI)||10.7914/SN/6J_2021|
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