Two earthquakes of a 7.0 or greater magnitude have struck within days of each other in Alaska and Japan, prompting worries another big temblor could be on the way. The first quake hit in Alaska on Dec ...

With two strong, 7.0+ earthquakes slamming Alaska and Japan just days apart in early December 2025, seismologists are understandably jittery — could a bigger shaker be next? First up, Alaska got ...

For decades, researchers thought that an October 1843 earthquake on the small Greek island of Chalke caused a powerful ...

Climate journalist Emma Pattee has been worried about the so-called big one—an off-the-charts earthquake—hitting her town in Portland, Ore., for some time now. She’s not alone: scientists estimate at ...

Japan’s weather agency has issued a megaquake warning, the highest level of earthquake alert, hours after a 7.5 magnitude tremor struck the country. Residents living near the Pacific coast have been ...