Aftershocks have been recorded for both earthquakes. On Dec. 8, Japanese authorities warned an even more powerful earthquake could strike within the next week and called on residents from the ...

For more than a month, the Bay Area has been subjected to a seemingly ceaseless stampede of earthquakes, rattling windows and raising fears across California.

No one knows when the next major earthquake will strike. In the meantime, researchers are working to understand how these events could disrupt access to health care in densely populated regions—and ...

According to a study published in the journal Science, researchers can now explain why the earthquake off the Japanese coast ...

A series of strong quakes abroad and smaller ones at home has Californians increasingly asking the same question: Is the “Big One” looming? Two earthquakes of magnitude 7.0 or greater struck within ...