Quakes · tsunami

2021 chignik, alaska earthquake

USGS-AK0219NEISZM

issued
2021-07-29 06:15Z
status
cancelled 2021-08-01 06:15Z
self-cancels
2021-08-01 06:15Z
authority
USGS NEIC
sea
Gulf of Alaska
position
55.364, -157.888
source
usgs · first seen 2026-09-03 15:13Z

Original warning text

2021 CHIGNIK, ALASKA EARTHQUAKE.
1. EARTHQUAKE MAGNITUDE 8.2 (MWW) IN 55.364N 157.888W, DEPTH 35 KM AT 290615Z JUL 21.
2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES.
3. USGS EVENT AK0219NEISZM. https://earthquake.usgs.gov/earthquakes/eventpage/ak0219neiszm

This area · earthquake & tsunami bulletins

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Timeline · 7 messages since 2021-07-29 · closed 2021-08-17

  1. 2021 chignik, alaska earthquake this message2021-07-29 → 2021-08-01
  2. 106 km sse of perryville, alaska2021-07-29 → 2021-08-01
  3. 127 km se of chignik, alaska2021-07-29 → 2021-08-01
  4. Earthquake with magnitude of 8.2 has occurred in vicinity 55-18N 157-48W at 290616Z jul2021-07-29 → 2021-07-29
  5. Cancel NAVAREA XII 365/21 and this msg, tsunami warning cancelled2021-07-29 → 2021-07-29
  6. 140 km se of chignik, alaska2021-07-30 → 2021-08-02
  7. 125 km se of perryville, alaska2021-08-14 → 2021-08-17

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