Quakes
Earthquake magnitude 5.6 (mb) in 59.475S 024.409W, depth 10 km at 130614Z aug 21
South Sandwich Islands Region · USGS-US6000F5BF
- issued
- 2021-08-13 06:14Z
- status
- cancelled 2021-08-16 06:14Z
- self-cancels
- 2021-08-16 06:14Z
- authority
- USGS NEIC
- sea
- South Atlantic Ocean
- position
- -59.475, -24.409
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
SOUTH SANDWICH ISLANDS REGION. 1. EARTHQUAKE MAGNITUDE 5.6 (MB) IN 59.475S 024.409W, DEPTH 10 KM AT 130614Z AUG 21. 2. USGS EVENT US6000F5BF. https://earthquake.usgs.gov/earthquakes/eventpage/us6000f5bf
This area · earthquake & tsunami bulletins
219 within 180 nm since 1997 · 8 in the last 12 months · 0 in force now
97
00
05
10
15
20
25
26
- Earthquake magnitude 6.0 (mww) in 60.245S 028.990W, depth 10 km at 121147Z aug 262026-08-12
- Earthquake magnitude 5.5 (mww) in 59.967S 018.990W, depth 15 km at 151451Z jul 262026-07-15
- Earthquake magnitude 5.7 (mww) in 57.911S 025.352W, depth 27 km at 161452Z feb 262026-02-16
- Earthquake magnitude 6.0 (mww) in 57.772S 025.599W, depth 64 km at 290730Z jan 262026-01-29
- Earthquake magnitude 5.6 (mww) in 58.664S 025.223W, depth 35 km at 171705Z dec 252025-12-17
- Earthquake magnitude 5.5 (mb) in 58.801S 025.488W, depth 30 km at 081841Z dec 252025-12-08
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.