Portland, Oregon, is known for its bridges, rain, and progressive urban planning, but did you know that some of its most ...

Officials are tracking the largest swarm of earthquakes in more than 15 years at Mount Rainier in Washington. But they say there is no indication the cluster of quakes is ...

Small earthquakes have rocked the active volcano Mt. Rainier in the Cascade Mountain Range this month, sending shockwaves ...

Public use fire restrictions in Mount Hood National Forest and the Columbia River Gorge National Scenic Area will be in effect starting July 17.

More than 300 tremors were recorded below Mount Rainier over the course of three days. Scientists say they were too weak for humans to feel.

The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009, the USGS said.

Over 300 earthquakes detected under Mount Rainier in July. Learn about safety, eruption risk, and whether it’s safe to visit the active volcano this summer.

SEATTLE (AP) — Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington’s Mount Rainier but say there is no indication that the cluster of quakes is cause ...

SEATTLE — Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington's Mount Rainier but say there is no indication that the cluster of quakes is cause for concern.