The state of Arizona and its picturesque landscapes have been shaped by a geological history of volcano eruptions across the region. Some of the oldest volcanic rocks in the state are 1.8 billion ...

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 annual Quey Hebrew Memorial Lecture at Brigham Young University will host a special guest speaker from the U.S. Geological Survey Thursday, March 10, at 7 p.m. in 2084 Jessie Knight Building.

ABSTRACT The geological evolution of seamounts has distinct influence on their interactions with the ocean, their hydrology, geochemical fluxes, biology, resources, and geohazards. There are six ...