Several thousand earthquakes have been recorded near the Greek island since late January. So why is this happening?

The Greek island's mayor has warned that seismic activity could continue for weeks, after earthquakes up to a magnitude of ...

Graph not displaying correctly ... The USGS says Thursday's earthquake was "primarily strike-slip," which is less likely to cause a tsunami because the earth's tectonic plates moved more ...

Maine, New Hampshire and Massachusetts (and beyond) just experienced a 3.8 magnitude earthquake. Did you feel it? The quake ...