S everal earthquakes, including a 7.4 magnitude one, struck off the Russian coast on Sunday, according to the U.S. Geological Survey, prompting brief warnings of potential tsunami waves on the nearby peninsula and farther across the Pacific in Hawaii.

The way the tsunami warning system works now, it's a, if you will, a reactive system. They see what happens and they react to that. They see a tsunami — I mean, ...

Tsunamis are a series of long waves caused by a large and sudden displacement of water in the ocean, usually from a large earthquake on or below the ocean floor. Tsunamis radiate in all directions from the epicenter and can cause dangerous coastal flooding and powerful currents that can last for hours or days.

The report, written by an advisory panel of tsunami experts, says the US warning system is in dire need of an overhaul, struggling with outdated technology, ...

She said there are 83 tsunami-ready communities, with warning systems in place, along the West Coast. But the most important improvement, according to experts, is how the public now perceives ...

In the wake of the 2004 tsunami there is now an Indonesian early warning system. But with parts of coastal Japan--which had the best system--now lying in ruins, will scientists be able to improve ...

A devastating tsunami took Indonesians by surprise because an early warning system – designed to detect changes in wave height in coastal areas near an active volcano – hasn't worked since ...

As per the statement, the Alaska earthquake struck at a shallow depth of 48km, making it susceptible to aftershocks.

Last week's earthquake off the coast of Humboldt County triggered a tsunami warning urging people across a huge swath of California and Oregon to evacuate. Why aren't tsunami warnings more precise?