Tsunami sirens wail in some towns. In others, the earthquake has knocked out alert systems. From Northern California to Vancouver Island, a wall of water up to eight stories high surges onto the coast ...

But this time, something was different. Instead of the usual siren on my phone, the Home Front Command app did something new. “Earthquake! Earthquake!” the voice shouted in Hebrew. I froze.

In some of the communities, the same sirens used to warn of rockets were activated, warning of an "earthquake." The Geological Institute of Israel issued a statement saying, "The earthquake alerts ...

In addition to the earthquake drill, the event will include a test of more than 120 tsunami sirens along Washington's inner and outer coastlines, according to WSMD. Unlike the typical monthly ...

Seismic waves are seen on a screen during a demonstration of an earthquake early warning system which triggers sirens if a nationwide network of 120 seismic monitoring stations detects a strong ...

A Museum initiative aims to raise awareness of what happened 269 years ago with the lighting of monuments and a chorus of ...

Tsunami sirens wail in some towns. In others, the earthquake has knocked out alert systems. A tsunami evacuation sign in Long Beach, Washington.Rick Bowmer/AP Photo From Northern California to ...