Quakes
78 km ne of atka, alaska
USGS-USP000J256
- issued
- 2011-05-24 17:43Z
- status
- cancelled 2011-05-27 17:43Z
- self-cancels
- 2011-05-27 17:43Z
- authority
- USGS NEIC
- sea
- Bering Sea
- position
- 52.596, -173.256
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
78 KM NE OF ATKA, ALASKA. 1. EARTHQUAKE MAGNITUDE 5.5 (MWW) IN 52.596N 173.256W, DEPTH 138 KM AT 241743Z MAY 11. 2. USGS EVENT USP000J256. https://earthquake.usgs.gov/earthquakes/eventpage/usp000j256
This area · earthquake & tsunami bulletins
131 within 180 nm since 1997 · 7 in the last 12 months · 1 in force now
97
00
05
10
15
20
25
26
- 84 km ssw of nikolski, alaska2026-09-03
- 103 km se of atka, alaska2026-07-26
- 172 km ene of atka, alaska2026-05-22
- 92 km s of nikolski, alaska2026-03-05
- 93 km sw of nikolski, alaska2026-02-23
- 96 km sw of nikolski, alaska2026-02-23
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.