In one example of the updates, new modeling for Santa Cruz County shows that a subduction zone earthquake off the Aleutian Islands could unleash a tsunami 18-25 feet (5.5-7.6 meters) above the ...

If a large tsunami struck near San Diego County, hundreds of thousands of people who live, work and play along the region’s 70 miles of coastline could be in danger.

Over the past 200 years, at least nine tsunamis have hit the Ventura County. All but one came from distant locations, which means people get more time to prepare and, if necessary, to leave the area.

Map of tsunami heights in meters resulting from an earthquake on the Pitas Point and Lower Red Mountain fault system near Ventura. The solid black line indicates the coastline. The solid red line ...

In one example of the updates, new modeling for Santa Cruz County shows that a subduction zone earthquake off the Aleutian Islands could unleash a tsunami 18-25 feet (5.5-7.6 meters) above the ...