Geologic mapping, the report emphasizes, is a scientific process. Every map is the result of hypothesis testing, data ...

A moderately strong, 5.1-magnitude earthquake struck in Australia on Wednesday, according to the United States Geological ...

A strong, 6.2-magnitude earthquake struck in the Sea of Marmara on Wednesday, according to the United States Geological ...

Smithsonian American Art Museum, Gift of George D. Pratt. The Smithsonian Institution came of age in the era of Manif ...

Ever been mesmerized by the swirling colors of Grand Prismatic Spring and wondered what fuels that otherworldly boil? It ...

A United States Geological Survey map of the Yukon Flats. (USGS) Experts suspect that the area contains sedimentary deposits ...

Alameda County, Mendocino County, San Bernadino County, and San Mateo County are all featured in the top 10, at fifth, seventh, ninth, and 10th respectively. The largest cities in each respectively ...

SAN DIEGO (AP) — Southern California was jolted Monday morning by a strong earthquake near San Diego. The earthquake, at ...

Rescue efforts continue after a 7.7-magnitude earthquake hit central Myanmar, with tremors felt in Thailand, China and India.