The USGS stands for the United States Geological Survey which monitors environmental activity on Earth including earthquake activity.

The U.S. Geological Survey (USGS) reported a 5.7 magnitude earthquake hit south central Alaska on Monday, June 22, 2009. No tsunami warning was expected to be issued and ...

A magnitude 6.0 earthquake rattled the southern Peru city of Arequipa on July 8, 2008. The U.S. Geological Survey reported that the epicenter of the quake was 33 ...

Cedar Mesa Sandstone (also known as the Cedar Mesa Formation) is a sandstone memberThe Cutler Formation is sometimes classified as the Cutler Group, in which case Cedar Mesa Sandstone ...

A 4.3 magnitude earthquake shook the Northern California region of Morgan Hill and neighboring San Jose. The U.S. Geological Survey stated that the earthquake struck around 10:40 ...

Several scientists have proposed the creation of an Earth Systems Science Agency (ESSA) which would merge the functions of the United States Geological Survey (USGS) and the National Oceanic and ...

Scientists in Canada discovered what might be the oldest rocks ever discovered on Earth. A portion of bedrock found in Quebec is estimated to be 4.28 billion years old ...

The Devonian Hamilton Group (Dh) is a mapped bedrock unit in New York, Pennsylvania, Maryland, and West Virginia. In Virginia, it is known as the laterally equivalent Millboro Shale."Map ...