Over the Sierra crest — about 150 miles to the east of Manteca, Oakdale, and Turlock — is one of the world’s largest active ...

Future eruptions are likely, USGS predicts, accompanied by sporadic volcanic-type earthquakes. The Long Valley caldera in the Sierra Nevada Range formed as a result of the voluminous Bishop ...

Axial Seamount, a mile-wide underwater volcano off the coast of Oregon, is showing signs of an imminent eruption. The volcano ...

By analyzing the dynamics of 12 back-to-back explosions that happened in 2018, researchers describe a new type of volcanic ... the crater within the caldera at the volcano's summit -- suddenly ...

Bárðarbunga is a stratovolcano — a type of cone-shaped volcano ... One possibility is that eruptions will occur outside of ...

The underwater volcano, Axial Seamount, off the coast of the Pacific Northwest is heading to eruption for the first time in a ...

However, volcanic gas emissions and Pele's hair—a type of volcanic glass—have been ... Since 2020, there have been six summit eruptions within the caldera, with durations ranging from one ...

Past volcanic activity at the caldera has ranged from the output of ... likely composed of basalt — Earth’s most primitive magma type and the heat engine that helps to generate and sustain ...

In contrast, it is basalt—a more runny and iron/magnesium rich magma type—that wells ... also determined that volcanic activity in the western part of the caldera may be decreasing, with ...

The most destructive type of eruptions at ... region of the Yellowstone Caldera. This suggests this northeast region would become the future center of volcanic activity in Yellowstone.