Landslides, earthquakes, and subduction faults could generate 1,000-foot mega-tsunamis, wiping coastal communities off the ...

Tsunamis pose a risk to the entirety of the California coast. But should a major one strike, how bad could it be?

On 16 September 2023, millions of tonnes of rock fell. The impact hurled up a wave 650 feet high. It raced down the fjord, smashed into cliffs, then reversed.

Near-shore tsunamis, those triggered by earthquakes just off the coast, could pose a particularly dire risk for California’s ...

Somewhere around 7,000 years ago, a tsunami struck the southern edge of Tongatapu, picked up a giant boulder, and slid it 200 meters (700 feet) inland. That’s remarkable, but we’ve found other ...

They knew an earthquake was coming, and many were safely outside when an 8.5 magnitude earthquake struck around 4:30 p.m. People near the sea watched as the water rose and then receded, leaving more ...

Tips. If a tsunami evacuation emergency is in place, move to high ground 100 feet above sea level or two miles inland. If in a boat, move to deep water.

Tips. If a tsunami evacuation emergency is in place, move to high ground 100 feet above sea level or two miles inland. If in a boat, move to deep water.

The tsunami wave from an anticipated earthquake off the West Coast could reach 100 feet and permanently flood parts of the coast. ... there is a 30% chance of a large earthquake happening," Dura said.