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.

Seafloor sensors caught a rare slow quake in action. It hints at how Earth's stress is quietly released. For the first time, ...

UNCERTAIN, Texas — A 3.3 magnitude earthquake was recorded Thursday morning near the Texas-Louisiana line. The earthquake was recorded near Uncertain, Texas, about 20 miles from Shreveport.

SHREVEPORT, La. (KSLA) - According to the U.S. Geological Survey, a 3.3 magnitude earthquake was recorded around 6 a.m. on Thursday, Dec. 19. The earthquake happened around 2.5 miles southeast of ...

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 ...