Swarm of small earthquakes reported near Mount St. Helens

A series of small earthquakes occurred near Mount St. Helens overnight, according to the Pacific Northwest Seismic Network. The swarm of tremors began with a 3.9 magnitude quake that struck around 12:30 a.m. Wednesday east of Spirit Lake and was followed by 14 smaller tremors that shook the area. The magnitude of the smaller quakes, […]