Hundreds of small earthquakes have rattled Mount Rainier this week in the largest swarm of tremors in more than a decade. But experts say there's no need to panic-at least not yet. "Currently, there ...

Scores of tiny earthquakes rattled Mount Rainier this week, marking the largest swarm of earthquakes at the mountain since 2009, according to the U.S. Geological Survey. Why it matters: Even though ...

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano since 2009. As of Thursday, July 10, 334 earthquakes had been identified at ...

There was a lot of shaking going on over the weekend as a series of earthquakes rocked the mountain community near Big Bear City. A swarm of five quakes all struck about 4 miles north of Big Bear in ...