As the name suggests, an earthquake is an event that causes the earth to shake. In some cases, an earthquake can be so significant that it cracks open the ground, as well as human-made structures such ...

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 ...

NORFOLK, Va. — Fault lines are fractures or breaks in the Earth's crust where tectonic plates move past each other, often resulting in earthquakes. These geological features are classified into three ...

Add Yahoo as a preferred source to see more of our stories on Google. A specific type of earthquake that can cause particularly intense shaking is more common than previously believed, some scientists ...

Add Yahoo as a preferred source to see more of our stories on Google. Aftermath of the 1906 San Francisco earthquake, looking down California Street. (The Chronicle 1906) Scientists are warning that ...

A series of earthquakes has rattled the Pacific Northwest in recent weeks, raising concerns and questions among residents. But should we be worried? The latest tremor, a magnitude 3.9 quake, struck ...

A Victoria-based seismologist with Earthquakes Canada says this week's anniversary of the 1964 Alaska earthquake and tsunami that damaged Vancouver Island communities is an important reminder though ...

Yes, there have been earthquakes in Florida, with most clustered in the northwestern Panhandle. There have been more than 20 ...