Last fall, the Portland City Council passed an ordinance requiring warning signs on about 1,600 brick buildings likely to collapse in a major earthquake. Supporters argued that residents in ...

A "swarm" of earthquakes began at Mount Rainier in Washington in the early morning hours on Tuesday with hundreds of quakes ...

Hundreds of earthquakes are detected at or near Mount Rainier each year, with "swarms" typically occurring once or twice ...

When the magnitude 6.3 earthquake struck at 5:54 a.m. on May 27, I was getting ready to go mountain biking up a beautiful hill southeast of Yogyakarta. I started biking there a few weeks earlier ...

When considering widespread hazards, USGS noted 37 U.S. states have experienced earthquakes exceeding magnitude 5 during the last 200 years. Experts said this highlights a long history of seismic ...

For U.S. earthquake scientists, Japan's 'megaquake' warning renewed worries about when and how to warn the public if they find clues that the 'big one' might be coming for the West COast.

The San Francisco earthquake of 1906, and subsequent fire, devastated the city 115 years ago today. These color photographs of the damage were taken just months after the earthquake and fire ...

On Tuesday, hundreds of earthquakes were detected, with depths ranging from 1.2 to 3.7 miles below the summit.

A swarm of small earthquakes was detected at Mount Rainier Tuesday morning, according to the U.S. Geological Survey Cascades ...