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

A flurry of earthquakes in the Seattle area over the last couple of weeks has some residents asking if that means the "Big ...

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

This is called the Cascadia Subduction Zone. According to the Washington State ... Deep earthquakes: Deep faults happen when two tectonic plates collide and one plate slips beneath the other ...

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

The Cascadia Subduction Zone, located off the coast ... about 30 miles beneath Olympia in the subducting Juan de Fuca plate, causing the ground in the Puget Sound area to shake for 30 to 40 ...

The Cascadia Subduction Zone, located off the coast ... 30 miles below Olympia in the subducting Juan de Fuca plate, it caused the ground in the Puget Sound area to shake for 30 to 40 seconds.

Many earthquakes in Washington state are linked to the motion of the Juan de Fuca Plate and the North ... This is called the Cascadia Subduction Zone. According to the Washington State Department ...

The Juan de Fuca plate is gradually subducting, or sliding beneath, the North American continent. The boundary where this occurs is called the Cascadia Subduction Zone (CSZ). The CSZ stretches ...

Looks very shallow — 2 km — so a “crustal earthquake” not along the major tectonic boundary but one of our smaller faults connected to the two plates,” the USGS ... movement was not along the Cascadia ...