Agana Heights, Guam – The Office of Guam Homeland Security and the Office of Civil Defense (OHS-OCD), in a joint effort with Joint Task Force-Micronesia (JTF-M), conducted Exercise Black Hydra today, a discussion-based cybersecurity tabletop exercise held at the OHS-OCD Initial Operating Facility (IOF) in Agana Heights on February 10, 2026.

The National Weather Service (NWS) Weather Forecast Office Guam has issued a flood advisory for Guam until 8:15 AM. Urban and small stream flooding from excessive rainfall is expected.

Between 0.4 to 1 inch of rain has fallen. Additional rainfall amounts of 0.4 to 1 inch are expected over the area. 

Residents and visitors are advised to take the following precautionary actions:

The National Weather Service (NWS) Weather Forecast Office Guam is currently monitoring a shear line over the CNMI and a weak tropical disturbance located south of Guam in eastern Yap state. Models suggest the disturbance will move west-northwestward, taking it between Yap and Guam, but closer to Yap.

The U.S. Geological Survey recorded an earthquake with a preliminary magnitude of 4.9 that struck 71 km ESE of Yigo Village, Guam with a depth of 38.2 km, at 1:53 p.m. (ChST). 

As advised by the Pacific Tsunami Warning Center, there is no tsunami threat to the Marianas from the earthquake. There were no major damages or injuries reported from the earthquake.

The National Weather Service (NWS) Weather Forecast Office Guam is monitoring Tropical Depression 01W, which formed northwest of Palau overnight. As of 1 a.m., 01W was located 9.5N and 130.4E, about 315 miles west-northwest of Koror and 1,010 miles west-southwest of Guam. It is moving northwest at 9 mph with maximum sustained winds of 30 mph. 01W is forecast to intensify, possibly becoming a tropical storm Friday night.