By Chris Summers A powerful aftershock rattled southeastern Afghanistan on Sept. 2, triggering fears of fresh casualties after an earthquake killed 1,400 people and injured thousands more. The aftershock of 5.2 magnitude was close to the epicenter of the Aug. 31 quake, according to the U.S. Geological Survey. It occurred at a depth of six […]
Tag: United States Geological Survey (USGS)
The United States Geological Survey, formerly simply known as the Geological Survey, is an agency of the United States government with work spanning the disciplines of biology, geography, geology, and hydrology.