Quakes

Earthquake magnitude 5.5 (mwc) in 0.180S 018.002W, depth 5 km at 201931Z nov 09

Central Mid-atlantic Ridge · USGS-USP000H48R

issued
2009-11-20 19:31Z
status
cancelled 2009-11-23 19:31Z
self-cancels
2009-11-23 19:31Z
authority
USGS NEIC
sea
South Atlantic Ocean
position
-0.180, -18.002
source
usgs · first seen 2026-09-03 15:13Z

Original warning text

CENTRAL MID-ATLANTIC RIDGE.
1. EARTHQUAKE MAGNITUDE 5.5 (MWC) IN 0.180S 018.002W, DEPTH 5 KM AT 201931Z NOV 09.
2. USGS EVENT USP000H48R. https://earthquake.usgs.gov/earthquakes/eventpage/usp000h48r

This area · earthquake & tsunami bulletins

40 within 180 nm since 1997 · 1 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

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.