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.

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.

In this 2023 update of the national seismic risk map, red areas have the greatest chance of a damaging earthquake occurring within 100 years. [Image: USGS] ...

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 ...