Quakes · event
Earthquake magnitude 5.5 (mww) in 24.674S 175.888W, depth 10 km at 230010Z aug 25
South of Tonga · 2 messages · 2025-08-18 to 2025-08-26
- status
- closed 2025-08-26 00:10Z
- opened
- 2025-08-18 23:03Z
- sea
- South Pacific Ocean
- position
- -24.674, -175.888
- joined by
- proximity (same type, same sea, within 30 nm and 30 days)
- key
- earthquake:USGS-US6000R1YQ
Timeline · 2 messages, oldest first
- 1USGS-US6000R1YQ2025-08-18 23:03Z → cancelled 2025-08-21 23:03ZEarthquake magnitude 5.6 (mww) in 24.373S 175.969W, depth 12 km at 182303Z aug 25
SOUTH OF TONGA. 1. EARTHQUAKE MAGNITUDE 5.6 (MWW) IN 24.373S 175.969W, DEPTH 12 KM AT 182303Z AUG 25. 2. USGS EVENT US6000R1YQ. https://earthquake.usgs.gov/earthquakes/eventpage/us6000r1yq
- 2USGS-US6000R3852025-08-23 00:10Z → cancelled 2025-08-26 00:10ZEarthquake magnitude 5.5 (mww) in 24.674S 175.888W, depth 10 km at 230010Z aug 25
SOUTH OF TONGA. 1. EARTHQUAKE MAGNITUDE 5.5 (MWW) IN 24.674S 175.888W, DEPTH 10 KM AT 230010Z AUG 25. 2. USGS EVENT US6000R385. https://earthquake.usgs.gov/earthquakes/eventpage/us6000r385
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. Events are assembled automatically from official navigational warnings; the grouping can be wrong. Mariners must use official NAVAREA broadcasts and their national MSI service.