The magma system beneath volcanoes may persist even after recent eruptions, a new study finds.

Edgecumbe, a long dormant volcano in Alaska. The Alaska Volcano Observatory (AVO) discovered that magma has been moving upward through Earth’s crust beneath the volcano, which has been quiet in ...

Though immensely powerful, volcanoes are not always spewing hot lava around. Many are considered dormant or even extinct and have not shown their strength for hundreds of thousands of years in ...

On June 14, 1914, three men climbed Lassen Peak to see why a seemingly dormant volcano had started rumbling 16 days before. Now, peering into a newborn crater, they felt the ground tremble.

These are key questions in volcanic hazard assessment and can also draw attention to volcanoes that appear to be inactive. Even in a quiet, dormant phase, a volcano can rapidly become active ...

The team found that all of the volcanoes, including dormant ones, have persistent and large magma bodies. Their results are surprising given that some of these volcanoes, such as the Crater Lake ...

MORE: Icelandic volcano previously dormant for 800 years erupting again The seamount is the most active submarine volcano in the northeast Pacific, and researchers have been monitoring it for the ...