The U.S. Geological Survey recorded an earthquake with a preliminary magnitude of 7.8 that occurred 128 km E of Petropavlovsk-Kamchatsky, Russia, with a depth of 10.0 km, at 4:48 a.m. (ChST).

 As advised by the Pacific Tsunami Warning Center, there is no tsunami threat to Guam and the CNMI from this earthquake.  

 This will be the final statement issued by GHS/OCD unless additional information is received.

• Tuesday, September 30, 2025, 8 a.m. – 5 p.m.: Social Media Tools and Techniques (PER-344)

• If driving, be alert for low visibilities in heavy rain;
• Slow down where water is ponding on the road;

The U.S. Geological Survey recorded an earthquake with a preliminary magnitude of 7.5 that occurred 118 km E of Petropavlovsk-Kamchatsky, Russia, with a depth of 10.0 km, at 12:37 p.m. (ChST).

 As advised by the Pacific Tsunami Warning Center, there is no tsunami threat to Guam and the CNMI from this earthquake.  

 This will be the final statement issued by GHS/OCD unless additional information is received.

The Office of Guam Homeland Security and the Office of Civil Defense (OHS-OCD) invite the community to the National Preparedness Month (NPM) Grand Finale on Saturday, September 27, 2025, from 10 a.m. – 2 p.m. at the Agana Shopping Center.

The NPM Grand Finale marks the culmination of National Preparedness Month, observed each September to raise awareness about disaster and emergency readiness. This year’s theme, “Preparedness Starts at Home,” highlights the importance of getting back to the essentials of preparedness.

• If driving, be alert for low visibilities in heavy rain;
• Slow down where water is ponding on the road;

The National Weather Service (NWS) Guam Weather Forecast Office issued a flood advisory, in effect for Guam until 2:45 p.m. this afternoon. Urban and small stream flooding caused by excessive rainfall is expected. Additional rainfall amounts of 1 to 2 inches are expected over the area, resulting in minor flooding.

 The community is advised to take the following precautionary actions:.

The National Weather Service (NWS) Guam Weather Forecast Office issued a flood advisory, in effect for Guam until 8:30 a.m. this morning. Urban and small stream flooding caused by excessive rainfall is expected. Additional rainfall amounts of 1 to 2 inches are expected over the area, resulting in minor flooding.

 The community is advised to take the following precautionary actions:.

The National Weather Service (NWS) Guam Weather Forecast Office issued a flood advisory, in effect for central and southern Guam until 11:15 a.m. this morning. Urban and small stream flooding caused by excessive rainfall is expected. Between 1 and 2 inches of rain has already fallen. Additional rainfall amounts of 1 to 2 inches are expected over the area, resulting in minor flooding.

 The community is advised to take the following precautionary actions:.