Quakes · tsunami

112 km e of chignik, alaska

USGS-AK021D1U1NOS

issued: 2021-10-11 09:10Z
status: cancelled 2021-10-14 09:10Z
self-cancels: 2021-10-14 09:10Z
authority: USGS NEIC
sea: Gulf of Alaska
position: 56.295, -156.581
source: usgs · first seen 2026-09-03 15:13Z

Original warning text

112 KM E OF CHIGNIK, ALASKA.
1. EARTHQUAKE MAGNITUDE 6.9 (MWW) IN 56.295N 156.581W, DEPTH 52 KM AT 110910Z OCT 21.
2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES.
3. USGS EVENT AK021D1U1NOS. https://earthquake.usgs.gov/earthquakes/eventpage/ak021d1u1nos

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