Quakes · tsunami

Earthquake magnitude 5.7 (mww) in 51.208N 178.635E, depth 19 km at 271446Z apr 17

Rat Islands, Aleutian Islands, Alaska · USGS-US10008LAI

issued
2017-04-27 14:46Z
status
cancelled 2017-04-30 14:46Z
self-cancels
2017-04-30 14:46Z
authority
USGS NEIC
sea
North Pacific Ocean
position
51.208, 178.635
source
usgs · first seen 2026-09-03 15:13Z

Original warning text

RAT ISLANDS, ALEUTIAN ISLANDS, ALASKA.
1. EARTHQUAKE MAGNITUDE 5.7 (MWW) IN 51.208N 178.635E, DEPTH 19 KM AT 271446Z APR 17.
2. A TSUNAMI MESSAGE WAS ISSUED FOR THIS EVENT. FOLLOW THE TSUNAMI WARNING CENTRES.
3. USGS EVENT US10008LAI. https://earthquake.usgs.gov/earthquakes/eventpage/us10008lai

This area · earthquake & tsunami bulletins

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

97
00
05
10
15
20
25
26

Season · when earthquake & tsunami bulletins happen here

J
F
M
A
M
J
J
A
S
O
N
D

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.