The U.S. Geological Survey recorded an earthquake with a preliminary magnitude of 8.0, that was later upgraded to magnitude of 8.8, that occurred 133 km SE of Petropavlovsk-Kamchatsky, Russia with a depth of 74.0 km, at 9:24 a.m. (ChST).
The Tsunami Advisory remains in effect for Guam and CNMI. Potential impacts include sea level fluctuations, minor flooding of beach and harbor areas, and strong and unusual ocean currents in harbors, bays, and other near shore waters.
Waves up to a foot have been observed in Guam’s tide gauges, with similar wave heights continuing, but expected to gradually diminish in the coming hours.
For more information visit https://ghs.guam.gov/.
5:40 p.m. Press Release - UPDATE: Tsunami Advisory Remains in Effect for Guam and CNMI
5:40 p.m. Press Release - UPDATE: Tsunami Advisory Remains in Effect for Guam and CNMI
- Press Release
- Posted on Date: 07/30/2025 05:45 pm