Quakes
Earthquake magnitude 5.9 (mww) in 10.799N 043.391W, depth 6 km at 272300Z jul 11
Northern Mid-atlantic Ridge · USGS-USP000J5KB
- issued
- 2011-07-27 23:00Z
- status
- cancelled 2011-07-30 23:00Z
- self-cancels
- 2011-07-30 23:00Z
- authority
- USGS NEIC
- sea
- North Atlantic Ocean
- position
- 10.799, -43.391
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
NORTHERN MID-ATLANTIC RIDGE. 1. EARTHQUAKE MAGNITUDE 5.9 (MWW) IN 10.799N 043.391W, DEPTH 6 KM AT 272300Z JUL 11. 2. USGS EVENT USP000J5KB. https://earthquake.usgs.gov/earthquakes/eventpage/usp000j5kb
This area · earthquake & tsunami bulletins
16 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now
97
00
05
10
15
20
22
- Earthquake magnitude 6.7 (mww) in 10.745N 043.382W, depth 10 km at 221635Z mar 222022-03-22
- Earthquake magnitude 5.6 (mww) in 11.806N 044.234W, depth 10 km at 261801Z jun 212021-06-26
- Earthquake magnitude 5.9 (mww) in 10.631N 043.529W, depth 10 km at 300838Z oct 202020-10-30
- Earthquake magnitude 5.6 (mww) in 12.653N 044.569W, depth 10 km at 230740Z mar 182018-03-23
- Earthquake magnitude 5.6 (mww) in 13.312N 044.878W, depth 10 km at 200009Z oct 162016-10-20
- Earthquake magnitude 6.6 (mww) in 10.701N 042.594W, depth 10 km at 242204Z jun 132013-06-24
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.