November 2021

Across many parts of the U.S. the frequency and intensity of flooding have increased during recent decades.

The highest earthquake hazard in the continental U.S. is largely associated with California.

Aristotle believed that earthquakes were the result of air escaping violently from subterranean caves.

A new AIR white paper provides an overview of the main scientific developments in earthquake ground shaking hazard science.

Floods are the most frequent and costly natural disaster in many parts of the world and the risk is increasing.

November in Tuscany means heavy storms and intense rainfall—and the potential for flooding.

The USGS has announced the 2023 release of a 50-state update to their National Seismic Hazard Model.