Big quake puts state on edge

Biggest quake in 35 years unnerves Ark.

The strongest in a swarm of more than 800 unexplained quakes sparks new fears among locals.

Search for culprit 

Also: 

• Texas fire razes homes
• Midwest tornadoes, floods
• Wildfire grows in Florida

Preliminary magnitude 4.7 earthquake in Arkansas

Four earthquakes have been recorded near Greenbrier in central Arkansas- including one with a preliminary magnitude of 4.7 that was reported felt on four other states.

Full Story