Japan has recorded a series of powerful aftershocks in the past several hours, including a magnitude 5.7 earthquake near the east coast of Honshu and a 4.9 earthquake in the Hokkaido region shortly after.

The Washington Emergency Management Division (EMD) has unveiled a comprehensive Tsunami Maritime Response and Mitigation Strategy aimed at bolstering the resili

The federal government and earthquake experts blamed a technical glitch for the alert that sent warnings hundreds of miles away last week.

Japanese authorities say a megaquake could cause a devastating tsunami to strike eastern coastal areas of Japan

Japan's Prime Minister Sanae Takaichi said the government set up an emergency task force to urgently assess the extent of damage.

A magnitude-7.5 earthquake struck off Japan’s northeastern coast on Monday, injuring more than two dozen people and prompting authorities to issue evacuation orders for more than 100,000 people.

“On December 4, 2025, the ShakeAlert EEW system released an incorrect alert for a magnitude 5.9 earthquake near Reno and Carson City, Nevada,” the statement read. “The event did not occur, and has been deleted from USGS websites and data feeds. The USGS is working to understand the cause of the false alert.”

Volunteers look for survivors near a building damaged in the magnitude 7.7 earthquake on March 28, 2025, in Naypyidaw, Myanmar. (Aung Shine Oo / Associated Press) Weak building codes and years of government unrest appear to have contributed to the ...

“Most earthquakes in this region are caused by movement of the south flank of Kīlauea. The location, depth, and waveforms recorded as part of today’s earthquake are consistent with slip along south flank faults,” the HVO reports.