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June 2018 is Typhoon Preparedness Month

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6:40 p.m. Press Release - UPDATE: Tsunami Advisory Canceled for Guam and CNMI

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).

As advised by the Pacific Tsunami Warning Center, the Tsunami Advisory has been canceled for Guam and CNMI. Based on all available data there is no further tsunami threat to Guam, Rota, Tinian, or Saipan from the earthquake although minor sea level fluctuations may continue.

5:40 p.m. Press Release - UPDATE: Tsunami Advisory Remains in Effect for Guam and CNMI

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.

4:35 p.m. Press Release - UPDATE: Tsunami Advisory Continues for Guam and CNMI

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.

Remain out of the water. The community is advised to move inland, away from beaches.

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.

3:05 p.m. Press Release - UPDATE: Stay Out of the Water, Away from Beaches; Tsunami Advisory Remains in Effect for Guam and CNMI

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 available data from the Pacific Tsunami Warning Center, a Tsunami Advisory remains in effect for Guam, Rota, Tinian, and Saipan.

11:00 a.m. Press Release - UPDATE: Guam and CNMI Upgraded to a Tsunami Advisory

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.

1:00 p.m. Press Release - UPDATE: Guam and CNMI Remain in a Tsunami Advisory; Stay Out of the Water, Away from the Coast

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).

Remain out of the water. The community is advised to move inland, away from beaches.

 

What to Expect:

9:50 a.m. Press Release - Tsunami Watch in Effect for Guam and CNMI

The U.S. Geological Survey recorded an earthquake with a preliminary magnitude of 8.0 that occurred 133 km SE of Petropavlovsk-Kamchatsky, Russia with a depth of 74.0 km, at 9:24 a.m. (ChST).

As advised by the Pacific Tsunami Warning Center, a tsunami watch is now in effect for Guam and the CNMI. The tsunami threat to Guam, Rota, Tinian, and Saipan from this earthquake is still being evaluated.

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, May 6, 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.

All Clear Issued for Found Ordnance Reported

The All Clear was issued by officials at 1:20 p.m. (ChST) for the suspected found ordnance at the Harmon Villa Garden Apartments earlier today. The area resumed normal operations. Information received indicated that it was a training tool that was not an actual Unexploded Ordnance (UXO) and it posed no threat to the community. All precautions were taken for the safety for the responders involved and the community.

The community is reminded to practice the “3Rs of Explosive Safety” when any potential UXO is encountered:

    Found Ordnance Reported

    The Offices of Guam Homeland Security and Civil Defense (GHS/OCD) were notified by 911 Dispatch of an unexploded ordnance (UXO) found within a unit at the Harmon Villa Garden Apartments, Upper Tumon.

    The Guam Police Department (GPD) and Guam Fire Department (GFD) are on scene, and an Explosive Ordnance Disposal (EOD) unit has been requested. Residents in the surrounding units where the ordnance is located have been requested to evacuate safely until assessments are completed. There are no road closures at this time. More information will be provided as it becomes available.

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