A recent study reveals that the Poás volcano has changed its eruption pattern, redefining the global ash-related risk map.

Mount Etna’s craters continue to smoulder two days after its largest eruption in four years sent tourists fleeing from a vast column of gas and ash on Monday. Tourists have returned to the slopes of ...

Mount Shasta presents a unique challenge that most other active volcanoes don't for USGS scientists. The only place to sample is near the summit of the active volcano located above 14,000-feet, ...

Indonesia’s rumbling Mount Lewotobi Laki Laki erupted Monday, sending a column of volcanic materials as high as 11 miles into the sky and depositing ash on villages. The volcano has been at the ...

This dramatic scene captures a powerful volcanic eruption unfolding in the middle of snow-covered mountains. Bright molten ...