Two major earthquakes struck Alaska and Japan recently. Is this is a statistically normal scenario or a cause for alarm?

In Alaska, a federal grant that funded seismic data collection in order to warn people about tsunamis is being cancelled. Experts say cuts like this could make tsunami warnings less reliable.

Aftershocks have been recorded for both earthquakes. On Dec. 8, Japanese authorities warned an even more powerful earthquake ...

Every fifteen minutes, on average, the ground moves somewhere in Alaska. Most of those quakes are too small to notice, but ...

Japan's Meteorological Agency issued a rare megaquake warning following Monday's 7.6 magnitude earthquake, alerting of increased risk for a magnitude 8+ quake ...

TOKYO — A powerful 7.5-magnitude earthquake struck off northern Japan late Monday, injuring more than 20 people and ...

Japan is assessing damage and cautioning people of potential aftershocks after a late-night 7.5 magnitude earthquake caused ...