Quakes · event
53 km e of onagawa chō, japan
2 messages · 2025-08-21 to 2025-09-01
- status
- closed 2025-09-01 16:29Z
- opened
- 2025-08-21 22:34Z
- sea
- North Pacific Ocean
- position
- 38.453, 142.065
- joined by
- proximity (same type, same sea, within 30 nm and 30 days)
- key
- earthquake:USGS-US6000R2UZ
Timeline · 2 messages, oldest first
- 1USGS-US6000R2UZ2025-08-21 22:34Z → cancelled 2025-08-24 22:34Z62 km se of ōfunato, japan
62 KM SE OF ŌFUNATO, JAPAN. 1. EARTHQUAKE MAGNITUDE 5.6 (MWW) IN 38.757N 142.309E, DEPTH 40 KM AT 212234Z AUG 25. 2. USGS EVENT US6000R2UZ. https://earthquake.usgs.gov/earthquakes/eventpage/us6000r2uz
- 2USGS-US7000QRW32025-08-29 16:29Z → cancelled 2025-09-01 16:29Z53 km e of onagawa chō, japan
53 KM E OF ONAGAWA CHŌ, JAPAN. 1. EARTHQUAKE MAGNITUDE 5.5 (MWW) IN 38.453N 142.065E, DEPTH 52 KM AT 291629Z AUG 25. 2. USGS EVENT US7000QRW3. https://earthquake.usgs.gov/earthquakes/eventpage/us7000qrw3
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.