The production of maps to track the progress of ongoing eruptions has long been part of the USGS Hawaiian Volcano Observatory mission to inform the public about volcanic hazards in Hawaii. The methods ...

Popocatépetl emerged in the crater of other volcanoes in its current form more than 20,000 years ago and has been active ...

The Kilauea Volcano in Hawaii has erupted again this week in a national park, prompting gas warnings from officials. Kilauea erupted briefly Sunday night in a section of Hawaii Volcanoes National Park ...

A volcanic ash advisory was issued for southern Texas on Wednesday morning after wind directed ash from Mexico's Popocatépetl volcano toward the Lonestar State. Located in central Mexico, Popocatépetl ...

When a volcano that has slept for centuries suddenly roars back to life, the first clear view no longer comes from a ship or a nearby village, but from orbit. Earlier this year, a NASA satellite ...

A volcano eruption near Oregon is brewing — but don't panic about Axial Seamount. The undersea volcano has been attracting attention for months as scientists prepare for an eruption they expect ...

Hawaii's Kilauea volcano erupted early Monday morning, but officials said the eruption on the state's Big Island didn't pose an immediate threat to human life or critical infrastructure. The U.S.

The volcano in southwestern Iceland was previously dormant for 800 years. A volcanic eruption in southwest Iceland has prompted evacuations, including at nearby tourist sites like the Blue Lagoon. The ...

Aerial view of Crater Lake in Oregon, a collapse caldera formed by one of the largest volcanic eruptions in the past 8,000 years. A detailed survey of the volcanic deposits found offshore Japan ...