Distances from the stations to the earthquake are estimated from the difference between P and S wave arrival times: You have just figured out how far your seismograph is from the epicenter and how ...

A microquake was recorded last week near the New Jersey epicenter of the 4.8 magnitude earthquake that shook Long Island on ...

The desperate race to find survivors of the massive earthquake in Southeast Asia continues. It’s estimated that more than 2,000 people have died from ...