The map below shows where Friday's quakes hit: When looking at earthquake data over the past 30 days, next to California, earthquakes seemed to strike most frequently in Nevada, Utah, Idaho ...

This USGS map of the California-Nevada region displays quakes with ... or click “List of earthquakes on this map” for a full rundown, with magnitude, time, location, and depth.

At the Seismological Society of America's Annual Meeting, researchers posed a seemingly simple question: how wide are faults?

(CNN) — Seismologist Deborah Kilb was wading through California earthquake ... Sierra Nevada through a technique known as receiver function analysis, which uses seismic waves to map Earth ...

Using data compiled from single earthquakes across the world, Christie Rowe of the Nevada Seismological Laboratory at the University of Nevada, Reno and Alex Hatem of the U.S. Geological Survey sought ...