Quakes · tsunami

278 km wsw of adak, alaska

USGS-US20005GUH

issued: 2016-04-10 19:34Z
status: cancelled 2016-04-13 19:34Z
self-cancels: 2016-04-13 19:34Z
authority: USGS NEIC
sea: North Pacific Ocean
position: 51.124, 179.539
source: usgs · first seen 2026-09-03 15:13Z

Original warning text

278 KM WSW OF ADAK, ALASKA.
1. EARTHQUAKE MAGNITUDE 5.6 (MWW) IN 51.124N 179.539E, DEPTH 19 KM AT 101934Z APR 16.
2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES.
3. USGS EVENT US20005GUH. https://earthquake.usgs.gov/earthquakes/eventpage/us20005guh

This area · earthquake & tsunami bulletins

79 within 180 nm since 1997 · 7 in the last 12 months · 0 in force now

296 km wsw of adak, alaska2026-05-09
Earthquake magnitude 6.1 (ml) in 50.981N 179.214E, depth 16 km at 090442Z may 262026-05-09
233 km ese of attu station, alaska2026-05-06
231 km ese of attu station, alaska2026-03-06
223 km ese of attu station, alaska2026-03-04
280 km ese of attu station, alaska2026-01-15

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