Quakes

196 km se of attu station, alaska

USGS-USP0008TK4

issued
1998-08-20 15:00Z
status
cancelled 1998-08-23 15:00Z
self-cancels
1998-08-23 15:00Z
authority
USGS NEIC
sea
North Pacific Ocean
position
51.618, 175.248
source
usgs · first seen 2026-09-03 15:08Z

Original warning text

196 KM SE OF ATTU STATION, ALASKA.
1. EARTHQUAKE MAGNITUDE 6.3 (MWB) IN 51.618N 175.248E, DEPTH 33 KM AT 201500Z AUG 98.
2. USGS EVENT USP0008TK4. https://earthquake.usgs.gov/earthquakes/eventpage/usp0008tk4

This area · earthquake & tsunami bulletins

95 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

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.