For 134 consecutive days, Mayon Volcano has been pushing lava, ash, and superheated gas down its slopes, a stretch that now ...

Who will stop the Rain-ier? Scientists are warning that Washington’s Mount Rainier could unleash a catastrophic mudslide that has the potential to devastate three large towns within minutes. Often ...

Ash rose to roughly 14,000 feet above Mayon volcano this morning, according to an advisory issued by the Tokyo Volcanic Ash Advisory Center (VAAC), as the Philippines’ most active stratovolcano fired ...

For a split second, a fireball outshone the rivers of molten lava flowing from the Philippines’ most active volcano.

The Alaska Volcano Observatory raised Kupreanof Volcano's alert level to Advisory and its aviation color code to Yellow on Tuesday. That means the volcano is showing signs of unrest, but it doesn’t ...

USGS scientists have recently observed low-density tephra produced in recent eruptions become short-lived “Tephra Devils,” ...

After climbing towards the volcano, which is known to have daily eruptions, the hikers made a swift turn when debris began to fall. Large clouds of ash could also be seen filling the skies as the ...

Volcano Watch” is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. 6.0 Earthquake on Hawaiʻi Island (5.22.26) PC: USGS More ...

The M139 Volcano System is a rapidly deployable anti-vehicular mine dispensing system that counters enemy mobility and ...

In the case of the May 22 earthquake, staff at HVO started analyzing the earthquake data even before shaking had stopped, as ...