Japan is learning what life is life under a megaquake watch. NPR's Rob Schmitz talks to Richard Allen, director of the Berkeley Seismology Lab, about what it means.

A series of powerful earthquakes and aftershocks that rocked Russia's far eastern coast triggered a tsunami watch for Hawaii that was canceled about 40 minutes later. The strongest quake, magnitude ...

After the 1975 earthquake, there was a greater emphasis on monitoring the motion of the south flank. Hawaiian Volcano Observatory and the University of Hawaiʻi at Mānoa installed continuous GPS ...

HONOLULU (HawaiiNewsNow) - A tsunami watch has been canceled for Hawaii following a magnitude 7.4 earthquake that occurred off the east coast of Kamchatka, Russia. The earthquake occurred at 8:49 p.m.

American Samoa is a United States territory which comprises the easternmost islands of a volcanic island chain formed by the Samoan hotspot in the South Pacific Ocean. Its small islands are the tops ...

The alert came after a 7.5 magnitude earthquake struck off the east coast of Russia. Officials said the quake happened just before 6:30 a.m. local time. The PTWC said “hazardous tsunami waves were ...

A tsunami reaching up to 70 centimeters (2 feet 4 inches) was recorded at Kuji Port in Iwate Prefecture, just south of Aomori ...

HONOLULU (Island News) -- The tsunami watch for Hawaii has been cancelled following a 7.5 magnitude earthquake struck off the east coast of the Kamchatka Peninsula in Russia. The tsunami watch was ...

When a 5.2-magnitude earthquake shook Southern California on Monday morning, one elephant herd did something extraordinary and heart-melting. At the San Diego Zoo Safari Park, a viral Instagram video ...