An unusual seismic signal recorded less than a minute before a widely felt magnitude 4.2 earthquake in central Alaska may ...

Scientists have discovered that seismic waves traveling to Earth’s core and back caused almost all of Japan to shift eastward ...

A new kind of earthquake has been detected in western Canada, one that shakes the ground slower and longer than typical seismic events. These earthquakes, recorded during hydraulic fracturing for oil ...

When the island of Santorini was rattled by thousands of small earthquakes earlier this year, many people were left mystified about the source of the tremors. The shaking lasted more than a month and ...

Earthquakes generate a few types of movement “waves:” P-waves travel fastest and cause smaller vibrations in the earth.