To map the 700-mile zone, stretching from Northern California to Vancouver Island, researchers took a 235-foot ship off the Oregon, Washington, and British Columbia coasts during the summer of ...

The risk assessments were derived in part from a US Geological Survey study that created earthquake models to help inform municipalities and insurance companies about such hazards. This map ...

To make the map, creators Byron Manley, Matt Stiles, and Renée Rigdon used a 2018 map from the U.S. Geological Survey that determined regional earthquake risk levels “based on seismicity and ...

Nearly 75% of the U.S., including Alaska and Hawaii, could experience a damaging earthquake sometime within the next century, USGS study finds.

PORTLAND, Ore. (KTVZ) — Around 9 p.m. on January 26th, 1700, a powerful magnitude 9.0 earthquake struck along the Cascadia Subduction Zone, which extends from Vancouver Island in British ...

A long-feared monster earthquake off the coast of California, Oregon and Washington could cause some areas to sink by more than 6 feet, dramatically heightening the risk of flooding.

A tsunami warning has been issued for the coastal regions of California and Oregon following a powerful earthquake that shook Northern California. After the 7.3 magnitude quake, a tsunami is ...

Nearly 75% of the country is at risk for a potentially damaging earthquake in the next 100 years, according to a recently updated map from the U.S. Geological Survey.

A study from researchers at University of Oregon and Virginia Tech discovered that a major Cascadia subduction zone earthquake could significantly increase the risk of flooding in Washington ...

The US Geological Survey creates earthquake shaking models designed to inform municipalities about building codes and insurance companies about the risk of seismic events. CNN values your feedback 1.