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

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

It’s a daunting challenge with the highest possible stakes should an offshore earthquake unleash a wall of incoming seawater.

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

Several major U.S. cities could be impacted if the Thwaites Glacier were to melt, according to NOAA projections.

This event in the Pacific Northwest could cause an unprecedented rise in sea levels that can displace land and water, sinking ...