Quakes · tsunami

Earthquake magnitude 5.6 (mww) in 51.079N 179.076E, depth 19 km at 152219Z mar 17

Rat Islands, Aleutian Islands, Alaska · USGS-US20008SD8

issued: 2017-03-15 22:19Z
status: cancelled 2017-03-18 22:19Z
self-cancels: 2017-03-18 22:19Z
authority: USGS NEIC
sea: North Pacific Ocean
position: 51.079, 179.076
source: usgs · first seen 2026-09-03 15:13Z

Original warning text

RAT ISLANDS, ALEUTIAN ISLANDS, ALASKA.
1. EARTHQUAKE MAGNITUDE 5.6 (MWW) IN 51.079N 179.076E, DEPTH 19 KM AT 152219Z MAR 17.
2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES.
3. USGS EVENT US20008SD8. https://earthquake.usgs.gov/earthquakes/eventpage/us20008sd8

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

Season · when earthquake & tsunami bulletins happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

5 earthquake & tsunami bulletins in force · see all

Quakes

Undersea earthquakes of magnitude 5.5 and above (USGS) and the tsunami bulletins NAVAREA coordinators relay. All current earthquake & tsunami bulletins →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.