A major, 7.6-magnitude earthquake struck in the Caribbean Sea on Saturday and triggered a tsunami advisory in Puerto Rico and ...

Additional information collected about the earthquake may also prompt U.S.G.S. scientists to update the shake-severity map. An aftershock is usually a smaller earthquake that follows a larger one ...

Experts said we see earthquakes like the one that hit Monday only once every several years or so, and when we see something this strong, we can feel it for miles.

Get Instant Summarized Text (Gist) The analysis of the 2015 Bonin Islands earthquake sequence challenges the claim of a record-breaking 751-kilometer-deep aftershock in the lower mantle. Instead ...