A massive undersea earthquake near Russia's Kamchatka Peninsula triggered tsunami warnings across the Pacific, affecting ...

Due to this extreme risk, tsunami early warning systems are a necessity. They provide immediate warnings and educate communities on safety measures.

Tsunami warnings and alerts have been issued for the U.S. West Coast and countries across the Pacific, including Japan. Here’s what to know if you receive one.

Tsunami warnings have improved greatly in recent decades, since the 2004 Indian Ocean tsunami which killed 228,000 people, and then the 2011 Tōhoku earthquake which devastated Japan.

Tsunami warnings prompted gridlocked traffic as people tried to reach higher elevations in Hawaii, but the threat level was later downgraded.

All these countries had low tsunami preparedness. At the time, there were no tsunami warning systems in the Indian Ocean.

The earthquake Tuesday off Russia’s far eastern coast was one of the strongest in recorded history. People across the Pacific Ocean braced for a potentially devastating tsunami to follow.

The power and allure of the ocean: How surfers eyed the tsunami alerts and wondered Coastal residents sought answers to vital questions: How big would the waves get?

A magnitude 5.8 undersea earthquake shook the eastern side of Indonesia on Sunday morning, injuring 29 people, including two in ...

An advanced, real-time tsunami forecasting system could dramatically improve early warning capabilities for coastal ...