Quakes
Earthquake magnitude 5.5 (mwc) in 50.070S 114.186E, depth 10 km at 101630Z sep 03
Western Indian-antarctic Ridge · USGS-USP000C77A
- issued
- 2003-09-10 16:30Z
- status
- cancelled 2003-09-13 16:30Z
- self-cancels
- 2003-09-13 16:30Z
- authority
- USGS NEIC
- sea
- Indian Ocean
- position
- -50.070, 114.186
- source
- usgs · first seen 2026-09-03 15:08Z
Original warning text
WESTERN INDIAN-ANTARCTIC RIDGE. 1. EARTHQUAKE MAGNITUDE 5.5 (MWC) IN 50.070S 114.186E, DEPTH 10 KM AT 101630Z SEP 03. 2. USGS EVENT USP000C77A. https://earthquake.usgs.gov/earthquakes/eventpage/usp000c77a
This area · earthquake & tsunami bulletins
11 within 180 nm since 2001 · 1 in the last 12 months · 0 in force now
01
05
10
15
20
25
26
- Earthquake magnitude 5.5 (mww) in 50.096S 114.201E, depth 10 km at 161641Z jan 262026-01-16
- Earthquake magnitude 5.5 (mww) in 47.888S 115.958E, depth 10 km at 082128Z jun 252025-06-08
- Earthquake magnitude 5.9 (mww) in 47.803S 116.049E, depth 9 km at 082115Z jun 252025-06-08
- Earthquake magnitude 6.2 (mww) in 47.827S 115.996E, depth 10 km at 072320Z jun 252025-06-07
- Earthquake magnitude 5.6 (mww) in 50.002S 114.065E, depth 10 km at 312236Z mar 232023-03-31
- Earthquake magnitude 5.7 (mwb) in 50.047S 114.382E, depth 10 km at 101224Z nov 162016-11-10
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 · 2 messages since 2003-09-10 · closed 2003-09-13
- Earthquake magnitude 5.5 (mwc) in 50.070S 114.186E, depth 10 km at 101630Z sep 03 this message2003-09-10 → 2003-09-13
- Earthquake magnitude 5.5 (mwc) in 50.031S 114.506E, depth 10 km at 101701Z sep 032003-09-10 → 2003-09-13
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.