11:00 a.m. Press Release - UPDATE: Guam and CNMI Upgraded to a Tsunami Advisory
The U.S. Geological Survey recorded an earthquake with a preliminary magnitude of 8.0, that was later upgraded to magnitude of 8.7, that occurred 133 km SE of Petropavlovsk-Kamchatsky, Russia with a depth of 74.0 km, at 9:24 a.m. (ChST)
Based on all available data, there is a threat to Guam, Rota, Tinian, and Saipan, of sea level fluctuations and strong ocean currents that could be hazardous along beaches, in harbors, and in coastal waters.








