Earthquakes occur along fault lines between continental plates, where one plate is diving beneath another. Pressure builds between each plate, called fault stress. When this stress builds enough to ...

A string of earthquakes has hit Washington in recent weeks. Are they connected, and do they tell us anything about the odds ...

Residents are urged to secure household items, maintain emergency kits, and participate in statewide drills such as the Great ...

Jakarta is one of the largest cities in the world and one of the most earthquake-prone. It is located within the Pacific Ring ...

Earthquakes occur when the rock on one side of a fault slips relative to the other. The fault surface can be vertical, ...

Earthquakes occur along fault lines between continental plates, where one plate is diving beneath another. Pressure builds between each ...

The 3.9 magnitude earthquake hit at 4:18 p.m. on the Olympic Peninsula, according to the United States Geological Survey.

The Cascadia Subduction Zone, capable of producing a 9.0 magnitude earthquake, last produced a major quake in 1700. The fault goes an average of 535 years between major quakes, according to the ...

This earthquake is larger than much of the recent seismic activity around western Washington, per initial reports.