More communities than previously thought could be impacted by a tsunami resulting from a large earthquake off the California ...

Part of the French Riviera was struck by a 4.1 magnitude earthquake this week, but it's not just the south east of France ...

Additional information collected about the earthquake may also prompt U.S.G.S. scientists to update the shake-severity map.

The Italian city has been shaken by its strongest earthquake in 40 years, and is part of a growing pattern of seismic unrest across Southern Europe. Environmental scientist Deborah R. Coen looks at ...

Additional information collected about the earthquake may also prompt U.S.G.S. scientists to update the shake-severity map. Aftershocks can occur days, weeks or even years after the first earthquake.