A deep-sea exploration off the coast of Hawaii has revealed a striking natural formation on the Pacific seafloor that’s left ...

Some scientists think we can better understand volcanoes by learning how the gaseous vortexes emerge. By Carolyn Wilke Some volcanoes perform a rather subtle trick: blowing rings of vapor that waft ...

UC Berkeley researchers discovered previously unknown zones of slow seismic waves, which may help determine the process of the formation of hotspot volcanoes. Taking seismic wave data from multiple ...

These ghostly hoops have been spotted above volcanic events around the world. But how they form has long been a mystery. Mount Etna—located in Catania, Italy—is one of the rare volcanoes that can blow ...

Scientists found the massive underwater mountain off Canada’s Pacific coast, rising 3,600 feet above the seafloor.

Rice farmers living in Sidoarjo Regency, Indonesia, awoke to a strange sight on May 29, 2006. The ground had ruptured overnight and was spewing out steam. In the following weeks, water, boiling-hot ...

Each mineral in a volcanic deposit is like a microscopic thermometer that records magma chamber temperature over time.

American Samoa is a United States territory which comprises the easternmost islands of a volcanic island chain formed by the ...

Iceland is bracing for a volcanic eruption, as thousands of small earthquakes have shaken the southern part of the Reykjanes peninsula since October. The earthquakes were caused by a huge amount of ...

An underwater volcano 300 miles off the coast of Oregon is displaying signs of a potential eruption, University of Washington (UW) researchers found. The volcano, Axial Seamount, is more than 4,900 ...