World Tsunami Awareness Day highlights the need for effective early warning systems to mitigate catastrophic events globally.

Earlier tsunami warnings following a huge 7.0 earthquake in California have been lifted. Newsweek's live blog is closed.

As if Florida needs another type of natural disaster to worry about. That said, scientists warned for decades a tsunami could jet our way at more than 500 mph. It's happened before. Few ...

Several earthquakes struck Northern California Thursday, including a magnitude-7.0 offshore in the Pacific Ocean at 10:44 a.m ...

The tsunami that rose from this great shifting of tectonic plates reached over 115 feet in some places and ultimately killed ...

Christmas in 2004, a 9.1 magnitude earthquake under the Indian Ocean triggered tsunami waves that killed some 230,000 people ...

San Mateo County emergency officials are developing a new method of communication to reduce misinformation and confusion ...

Understanding of the Sumatran subduction zone and its hazards has increased since the 2004 Indian Ocean earthquake and ...

Traumatised by the Indian Ocean tsunami that hit Indonesia 20 years ago, Teuku Hafid Hududillah has spent his adult life ...

Indian Ocean tsunami was one of the worst natural disasters in recorded history. More than 220,000 people across a dozen ...