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

An undersea volcano off the southeastern coast of the Big Island of Hawaii has been rocked by a swarm of more than 70 ...

For one thing, the onyx-tinted sand here owes its unique hue to the ongoing volcanic activity of Kilauea in Hawai'i Volcanoes National Park. And for another, this beach is often visited by honu ...

Rain with a high of 85 °F (29.4 °C) and a 70% chance of precipitation. Winds variable at 6 to 9 mph (9.7 to 14.5 kph). Night - Scattered showers with a 73% chance of precipitation. Winds from NE ...

In December last year, an eruption at one of the country's most active volcanoes, Mount Marapi in West Sumatra, killed at least 24 climbers, most of them university students. And in May ...

The eruption at Mount Lewotobi Laki Laki around midnight spewed thick brownish ash as high as 2,000 meters (6,500 feet) into the air and hot ashes hit several villages, burning down houses ...

About 4,400 villagers moved into makeshift emergency shelters after the eruption, which destroyed seven schools, nearly two dozen houses and a convent on the majority-Catholic Island. Authorities ...