Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment ...

The world's biggest active volcano spans approximately 2,000 square miles and ascends about 13,600 feet above sea level - and ...

Nearly 20 people, several within minutes to an hour of Pusch’s post, replied after the Big Island was jolted by an unexpected ...

A 4.8 magnitude earthquake reported overnight on the Big Island of Hawaiʻi, was part of an ongoing swarm of deep seismicity ...