A 2023 report released by the U.S. Geological Survey (USGS) and the Federal Emergency Management Agency (FEMA) found that ...

Volcano warning after 160 earthquakes in just two hours - Located near the Argentine border, Laguna del Maule is a sprawling ...

The deep roots of Earth's oldest continents have long been thought to be unshakable. But a new seismic discovery suggests that even these stable landmasses can change. Beneath the center of North ...

The Pacific Coast is tiptoeing around not one but two of the largest seismic triggers of the region’s modern history.

Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...

A map showing seismic speed in Earth’s crust at 125 miles depth across the continental U.S. and portions of Central America and Canada. The North American craton (outlined in black dashes) has a ...

Current political and economic issues succinctly explained. Sign up for a summary of global news developments with CFR analysis delivered to your inbox every weekday morning. Subscribe to the ...

A new Fire Hazard Severity Zone map released by Cal Fire on March 24, 2025, shows areas under local and county jurisdiction. The map does not show hazard zones under state responsibility.

Also see: Southern California fire danger zones increase 76% in new maps All told, the size of these orange and red patches on the new maps is 3,626 square miles — an area nearly twice the size ...

Fire Hazard Severity Zone maps evaluate “hazard,” not “risk,” Cal Fire says. Here’s the agency’s definition of both: “‘Hazard‘ is based on the physical conditions that create a ...