Dozens of earthquakes rocked the region, but a tsunami didn't seem imminent. Then the massive waves began crashing in.

Tsunami warnings were issued around the Pacific Ocean after a magnitude 8.8 earthquake struck off the coast of Russia’s Kamchatka Peninsula in the late morning local time on July 30. Waves 5.7 feet ...

The moment seismologists got word that a magnitude 8.8 earthquake had struck near Russia’s Kamchatka Peninsula, they felt an acute sense of anxiety. This location—where the Pacific plate is plunging ...

Scientists were able to use the data from a fiber optic cable and a sensitive measuring device to “image” the Mendocino ...