Quakes

Earthquake magnitude 5.6 (mww) in 56.302S 026.988W, depth 76 km at 231051Z nov 18

South Sandwich Islands Region · USGS-US1000HVN9

issued
2018-11-23 10:51Z
status
cancelled 2018-11-26 10:51Z
self-cancels
2018-11-26 10:51Z
authority
USGS NEIC
sea
South Atlantic Ocean
position
-56.302, -26.988
source
usgs · first seen 2026-09-03 15:13Z

Original warning text

SOUTH SANDWICH ISLANDS REGION.
1. EARTHQUAKE MAGNITUDE 5.6 (MWW) IN 56.302S 026.988W, DEPTH 76 KM AT 231051Z NOV 18.
2. USGS EVENT US1000HVN9. https://earthquake.usgs.gov/earthquakes/eventpage/us1000hvn9

This area · earthquake & tsunami bulletins

250 within 180 nm since 1997 · 11 in the last 12 months · 1 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

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.