Yellowstone eruptions may be driven by shifts in Earth's crust, rather than a deep well of magma, study finds.

FLAGSTAFF — Just 30 minutes from downtown Flagstaff, Sunset Crater Volcano National Monument offers a striking look at northern Arizona’s explosive past. The cinder cone, now standing over 8,000 feet ...

The 44th episode of lava fountaining on Thursday saw streams ascending over 500 feet above the vent in spectacular color.

Yellowstone National Park is home to a giant supervolcano, and scientists have been tracking changes in this global phenomenon. Fortunately, there is no need to worry. A Jan. 1 edition of the journal ...

MANILA, Philippines — A pyroclastic density current (PDC), locally known as “uson,” was observed at Mayon Volcano on Saturday ...

Residents and visitors alike have been watching episodic lava fountains in Halema‘uma‘u at the summit of Kilauea since late December 2024. While beautiful and safe to view, this activity has left ...

By reconstructing a 700,000-year history of Methana volcano, geologists found a prehistoric phase when it appeared inactive ...

Shallow earthquakes and ground deformation at Kilauea’s summit highlight hazards near Halemaʻumaʻu - Features | Hawaii ...

Earthquakes remind us that even the ground beneath our feet can have a mind of its own. For Anchorage citizens, that reality shook to life Thursday as the city hosted not one, but two earthquakes mere ...