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June 2018 is Typhoon Preparedness Month

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Press Release - Earthquake Recorded

For Immediate Release

March 2, 2025 (ChST) 

Earthquake Recorded 

The U.S. Geological Survey recorded an earthquake with a preliminary magnitude of 5.3 that struck 75 km E of Yigo Village, Guam, with a depth of 63.7 km, at 6:02 a.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.

Hazardous Surf and Seas Remain; Inexperienced Swimmers Advised to Stay Out of the Water

The National Weather Service (NWS) Guam Weather Forecast Office has the following advisories in effect:

A high surf advisory remains in effect for Guam, Rota, Tinian, and Saipan until 5 p.m. this afternoon. Large breaking waves of 8 to 11 feet are expected. Dangerous swimming and surfing conditions and localized beach erosion are expected. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

GHS/OCD, NBG, and AAFB to Conduct Routine Testing of Advanced Warning Systems

The Offices of Guam Homeland Security and Civil Defense (GHS/OCD), U.S. Naval Base Guam (NBG), and Andersen Air Force Base (AAFB) will conduct routine testing of the vital communication and advance warning system sirens, respectively, on Tuesday, March 4, 2025, starting at 3:15 p.m.

GHS/OCD will test the All Hazards Alert Warning System (AHAWS) sirens in conjunction with NBG and AAFB monthly routine testing of the “Giant Voice (GV)” sirens.

Hazardous Surf Remains, Inexperienced Swimmers Advised to Stay Out of the Water

The National Weather Service (NWS) Guam Weather Forecast Office has the following advisories in effect:

A high surf advisory is in effect for Guam, Rota, Tinian, and Saipan until 4 p.m. this afternoon. Large breaking waves of 7 to 9 feet are expected. Dangerous swimming and surfing conditions and localized beach erosion are expected. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

Red Flag Warning Remains in Effect, Refrain from Outdoor Burning

The National Weather Service (NWS) Guam Weather Forecast Office advised very dry conditions and gusty winds will maintain a high fire threat.

A red flag warning remains in effect for Guam until 6 p.m. Friday. Northeast winds of 15 to 25 mph, with higher daytime gusts, and humidity down to 50 to 60 percent at times are expected. The combination of strong winds, low relative humidity, and warm temperatures will create ideal conditions for rapid spread of wildfires. Refrain from outdoor burning.

Red Flag Warning in Effect, Refrain from Outdoor Burning

The National Weather Service (NWS) Guam Weather Forecast Office advised very dry conditions and occasionally gusty winds will lead to rapid fire spread today.

A red flag warning is in effect for Guam until 7 p.m. this evening. East winds of 10 to 20 mph, with higher daytime gusts, and humidity down to 55 to 60 percent at times are expected. The combination of strong winds, low relative humidity, and warm temperatures will create ideal conditions for rapid spread of wildfires. Refrain from outdoor burning.

Red Flag Warning in Effect, High Surf Advisory and High Risk of Rip Currents Remain

The National Weather Service (NWS) Guam Weather Forecast Office advised gusty daytime winds and dry conditions will result in a high fire threat.

A red flag warning is in effect from 10 a.m. this morning to 7 p.m. Sunday for Guam. East winds of 15 to 25 mph, with gusts to 35 mph, and humidity down to 50 to 60 percent at times are expected. Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

Hazardous Surf and Seas Remain; Inexperienced Swimmers Advised to Stay Out of the Water

The National Weather Service (NWS) Guam Weather Forecast Office has the following advisories in effect:

A high surf advisory remains in effect for Guam, Rota, Tinian, and Saipan until 4 p.m. Thursday. Large breaking waves of 8 to 11 feet are expected. Dangerous swimming and surfing conditions and localized beach erosion are expected. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

Hazardous Surf and Seas Remain; Inexperienced Swimmers Advised to Stay Out of the Water

The National Weather Service (NWS) Guam Weather Forecast Office has the following advisories in effect:

A high surf advisory remains in effect for Guam, Rota, Tinian, and Saipan and has been extended to 6 a.m. Saturday. Large breaking waves of 9 to 11 feet are expected. Dangerous swimming and surfing conditions and localized beach erosion are expected. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

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