Following the major 8.8M earthquake in Russia, tsunami alerts were issued for Hawaii, Alaska and the Continental U.S. West Coast Wednesday. Evacuations were ordered as well. And that's with good ...

A tsunami warning in Japan is raising questions. Here's how tsunamis form, why warnings change and what people far from the coast should know.

What causes a tsunami, and how could a powerful earthquake like the one off Russia’s coast trigger massive waves? A tsunami is a series of ocean waves caused by a sudden disturbance, usually an ...

A tsunami warning was issued for California's North Coast, after a massive earthquake off the coast of eastern Russia. A tsunami warning was issued for Del Norte County and Humboldt County north of ...

HONOLULU — A powerful earthquake that struck off the coast of Russia generated tsunami warnings and advisories for a broad section of the Pacific, including Alaska, Hawaii and the U.S. West Coast. The ...

When a massive earthquake hits, the shifting seafloor can trigger a series of large, powerful waves. Coastal California residents were ordered to evacuate Tuesday, July 29, following a huge undersea ...