An earthquake typically sets off ruptures that ripple out from its underground origins. But on rare occasions, seismologists have observed quakes that reverse course, further shaking up areas that ...

The Midwest’s biggest seismic threat still rumbles quietly hundreds of times each year.

The New Madrid earthquakes in 1811 and 1812 were the largest quakes east of the Rocky Mountains in U.S. history. Today, a hypothetical earthquake of a similar size would devastate the region and cause ...

Here’s what you’ll learn when you read this story: When people think about seismic hotspots in the U.S., the first that come to mind are likely the constantly roiling volcanoes of Hawai’i, the daily ...