At 4.1 magnitude near Greenback, the May 10 quake was large for our area. Experts look back on the last earthquakes to ...

It's not just about loss of life and homes or economic damage; critical wetlands will be gone for good. Scientists issue ...

What lies beneath the Earth’s surface can be more dramatic than any science fiction. In this video, we explore the 15 largest Earth cracks that have stunned scientists and geologists around the world.

The area is not known to have major earthquake ... there is a sudden slip on a fault. The sudden slip releases energy in waves that travel through the earth's crust, according to USGS.