Quakes

Earthquake magnitude 7.8 (mwc) in 51.146N 178.650E, depth 33 km at 170643Z nov 03

Rat Islands, Aleutian Islands, Alaska · USGS-USP000CD1N

issued
2003-11-17 06:43Z
status
cancelled 2003-11-20 06:43Z
self-cancels
2003-11-20 06:43Z
authority
USGS NEIC
sea
North Pacific Ocean
position
51.146, 178.650
source
usgs · first seen 2026-09-03 15:08Z

Original warning text

RAT ISLANDS, ALEUTIAN ISLANDS, ALASKA.
1. EARTHQUAKE MAGNITUDE 7.8 (MWC) IN 51.146N 178.650E, DEPTH 33 KM AT 170643Z NOV 03.
2. USGS EVENT USP000CD1N. https://earthquake.usgs.gov/earthquakes/eventpage/usp000cd1n

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

Timeline · 5 messages since 2003-11-17 · closed 2003-12-11

  1. Earthquake magnitude 7.8 (mwc) in 51.146N 178.650E, depth 33 km at 170643Z nov 03 this message2003-11-17 → 2003-11-20
  2. Earthquake magnitude 5.5 (mb) in 51.275N 177.611E, depth 33 km at 170712Z nov 032003-11-17 → 2003-11-20
  3. Earthquake magnitude 5.5 (mwc) in 51.105N 178.124E, depth 33 km at 180212Z nov 032003-11-18 → 2003-11-21
  4. Earthquake magnitude 5.8 (mwc) in 51.045N 178.888E, depth 33 km at 180750Z nov 032003-11-18 → 2003-11-21
  5. Earthquake magnitude 5.6 (mwb) in 51.090N 178.261E, depth 33 km at 082012Z dec 032003-12-08 → 2003-12-11

joined by proximity

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.