A tsunami warning was issued across Northern California on Thursday morning following a magnitude 7 earthquake. It's a reminder to prepare and know how to respond in case of such emergencies.

The warning was canceled shortly after. "Whether it's a false alarm or an actual tsunami, we learned something new," said Santa Cruz Harbor Master Blake Anderson. "We go out and we walk docks ...

Sirachai Arunrugstichai/Getty Thousands gathered in mourning on Thursday, Dec. 26, to mark two decades since the world’s largest tsunami. On Dec. 26, 2004, in one of the worst natural ...

People gathered in prayer and visited mass graves in Indonesia's Aceh province on Thursday to mark 20 years since the massive Indian Ocean tsunami hit the region in one of modern history's worst ...

Romi Gilor admitted, "This is the first time I've seen one," while Ava Stewart said, "If there was a tsunami, I think I would look for them." Dr. Abbott emphasized that while no actual tsunami ...

Am I wrong that the warning was overblown and really not consistent with our actual tsunami history, which includes lots of big earthquakes off of Humboldt County, by the way? This is really an ...

Tsunami: The Wave that Shook the World focussed in on seven stories from around the world, the memories and emotions came in ...

This is how a community rebuilds after a catastrophe – slowly, painfully and from the tsunami-­sodden ground up.

Tsunamis are difficult to detect until it is too late to evacuate, so the sirens sound and people's lives are disrupted, but are likely saved if there is an actual tsunami.