Quakes
Earthquake magnitude 5.5 (mwc) in 3.367S 068.259E, depth 12 km at 081137Z feb 04
Chagos Archipelago Region · USGS-USP000CKQY
- issued
- 2004-02-08 11:37Z
- status
- cancelled 2004-02-11 11:37Z
- self-cancels
- 2004-02-11 11:37Z
- authority
- USGS NEIC
- sea
- Indian Ocean
- position
- -3.367, 68.259
- source
- usgs · first seen 2026-09-03 15:08Z
Original warning text
CHAGOS ARCHIPELAGO REGION. 1. EARTHQUAKE MAGNITUDE 5.5 (MWC) IN 3.367S 068.259E, DEPTH 12 KM AT 081137Z FEB 04. 2. USGS EVENT USP000CKQY. https://earthquake.usgs.gov/earthquakes/eventpage/usp000ckqy
This area · earthquake & tsunami bulletins
20 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
98
00
05
10
15
20
25
- Earthquake magnitude 5.5 (mww) in 4.827S 068.799E, depth 10 km at 220504Z jul 252025-07-22
- Earthquake magnitude 5.5 (mww) in 1.275S 067.562E, depth 10 km at 092112Z feb 232023-02-09
- Earthquake magnitude 5.8 (mww) in 2.648S 068.103E, depth 10 km at 211602Z may 212021-05-21
- Earthquake magnitude 5.6 (mww) in 1.794S 069.148E, depth 10 km at 170004Z mar 212021-03-17
- Earthquake magnitude 6.1 (mww) in 4.016S 070.197E, depth 10 km at 311724Z aug 202020-08-31
- Earthquake magnitude 5.6 (mww) in 2.519S 068.483E, depth 10 km at 050912Z sep 192019-09-05
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.