A swarm of more than 40 earthquakes in 24 hours is causing a buzz in the northwest US
by from CNN.com - RSS Channel - App International Edition on (#5ST8X)
One of North America's most active fault lines sprung to life on Tuesday after a swarm of more than 40 earthquakes -- ranging from a magnitude 3.5 to 5.8 -- rattled off the coast of Oregon, catching the attention and concern of millions in the region.