Quakes
Earthquake magnitude 5.9 (mww) in 56.826S 140.710W, depth 10 km at 302047Z may 21
Pacific-antarctic Ridge · USGS-US6000EGS4
- issued
- 2021-05-30 20:47Z
- status
- cancelled 2021-06-02 20:47Z
- self-cancels
- 2021-06-02 20:47Z
- authority
- USGS NEIC
- sea
- South Pacific Ocean
- position
- -56.826, -140.710
- source
- usgs · first seen 2026-09-03 15:13Z
Original warning text
PACIFIC-ANTARCTIC RIDGE. 1. EARTHQUAKE MAGNITUDE 5.9 (MWW) IN 56.826S 140.710W, DEPTH 10 KM AT 302047Z MAY 21. 2. USGS EVENT US6000EGS4. https://earthquake.usgs.gov/earthquakes/eventpage/us6000egs4
This area · earthquake & tsunami bulletins
67 within 180 nm since 1997 · 2 in the last 12 months · 0 in force now
97
00
05
10
15
20
25
26
- Earthquake magnitude 5.5 (mww) in 56.664S 142.018W, depth 10 km at 200538Z jul 262026-07-20
- Earthquake magnitude 5.7 (mww) in 56.848S 142.130W, depth 10 km at 130941Z nov 252025-11-13
- Earthquake magnitude 6.3 (mww) in 57.008S 142.286W, depth 10 km at 020029Z apr 252025-04-02
- Earthquake magnitude 5.5 (mww) in 56.496S 143.388W, depth 10 km at 191807Z mar 242024-03-19
- Earthquake magnitude 5.5 (mww) in 57.247S 141.096W, depth 10 km at 051716Z dec 232023-12-05
- Earthquake magnitude 5.5 (mww) in 56.748S 140.812W, depth 10 km at 241033Z may 232023-05-24
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.