Sensors and observation instruments being lowered into a borehole off the coast of Japan nearly 1,500 feet below the seafloor during an International Ocean Discovery Program mission in 2016. Sensors ...

Dear Action Line: With earthquakes more frequent in Oklahoma, is it advised to have "earthquake" added to hazards covered by homeowners' insurance? - E. McG., Broken Arrow. The latest tremblor was Jan ...

One of the most dangerous faults in the United States, the Cascadia Subduction Zone, may be able to trigger an earthquake on the San Andreas Fault, a new study says. But some scientists want more ...

KABUL, Afghanistan — A powerful 6.3 magnitude earthquake shook northern Afghanistan before dawn Monday, killing at least 20 people and injuring more than 640 others, as well as damaging the historic ...