A group of fault lines sit underground near Van Horn, Texas, dating up to 1.6 million years old, according to a map published by the USGS.

A group of fault lines sit underground near Van Horn, Texas, dating up to 1.6 million years old, according to a map published by the USGS.

A group of fault lines sit underground near Van Horn, Texas, dating up to 1.6 million years old, according to a map published by the USGS.

A group of fault lines sit underground near Van Horn, Texas, dating up to 1.6 million years old, according to a map published by the USGS.

A group of fault lines sit underground near Van Horn, Texas, dating up to 1.6 million years old, according to a map published by the USGS.

A group of fault lines sit underground near Van Horn, Texas, dating up to 1.6 million years old, according to a map published by the USGS.

A group of fault lines sit underground near Van Horn, Texas, dating up to 1.6 million years old, according to a map published by the USGS.

A group of fault lines sit underground near Van Horn, Texas, dating up to 1.6 million years old, according to a map published by the USGS.

A group of fault lines sit underground near Van Horn, Texas, dating up to 1.6 million years old, according to a map published by the USGS.

CARLSBAD, N.M. — A 4.6-magnitude earthquake sent ripples that could be felt Tuesday morning in New Mexico, according to the U.S. Geological Survey. The USGS reported the epicenter is about 30 ...

A magnitude 6.2 earthquake rattled a region of southwest Mexico on Sunday, the U.S. Geological Survey said.There were no immediate reports of casualties or damage. The tremor was about five miles ...