Earthquakes that jiggle Earth's middle layer may be more widespread than scientists thought. A new map of these mysterious deep earthquakes shows that they occur all around the world and that they may ...

Twenty-five years ago, on Feb. 28, our region was shaken to its core by the Nisqually earthquake, a magnitude 6.8 midmorning calamity that upended life in the Puget Sound region. It remains the nation ...

A mysterious underwater fault near Ecuador has been producing nearly identical magnitude 6 earthquakes every five to six ...

Earthquakes do happen in or near Florida, but they're rather rare. The closest fault line to the Sunshine State runs through the Caribbean Sea, just north of Puerto Rico. There have been more than 20 ...