Mount Shasta, a steep-sided Cascade Range stratovolcano in Northern California, looms above Little Glass Mountain, a thick obsidian flow erupted from the Medicine Lake shield volcano about 1,000 years ...
Fears an Icelandic volcano will erupt remain high as magma spreads underground and huge cracks appear in the roads of a town most at risk. Seismic activity in southwestern Iceland decreased in size ...
Deep below the Earth's surface, magma is churning and flowing into the Axial Seamount, an underwater shield volcano about 300 miles off the coast of Oregon. As the volcano grows and tremors increase, ...
A new study has found surprising evidence of large bodies of magma lurking beneath long-dormant volcanoes in the Cascade Range in the USA, with potentially huge implications for how geologists predict ...
Fears an Icelandic volcano will erupt remain high as magma spreads underground and huge cracks appear in the roads of a town most at risk. Seismic activity in southwestern Iceland decreased in size ...
Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Though immensely powerful, volcanoes are not always spewing hot lava ...
How do volcanoes work? What happens beneath their surface? What causes the vibrations—known as tremor—that occur when magma or gases move upward through a volcano's conduits? Professor Dr. Miriam ...