The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat levels.

And while many claim that it is a dormant volcano, area residents and researchers continue to notice signs of volcanic activity, such as earthquakes and plumes of smoke emanating from it. According to ...

During many of these eruptions, Hawaiian Volcano Observatory field crews documented “ooze outs” — where lava squeezes out ...

The three most common large types of volcanoes ... monitors their activity and shares the information globally. Such monitoring and alert warnings for volcanic eruptions are based on assessing ...

so now you can identify what kind of volcano you're seeing based on those volcanic shapes. *Technically, stratovolcano refers to a very specific type of shape---that perfect cone. Many volcanoes ...

The Fagradalsfjall volcano, based in Iceland ... in the plates which then leads to volcanic activity. Eruptions differ because different types of magma are generated depending on how the plates ...

It hasn’t erupted for more than 250,000 years, but it nonetheless shows signs of activity similar to those ... could be useful for analyzing any type of volcano — not just zombies.

Shielded from Earth-bound eyes, the far side of the moon is home to a rare set of dormant volcanoes that changed ... suggesting a more involved type of volcanic activity than that which created ...

As of Feb. 21, 46 volcanoes have erupted; four of those occurred in the first two months of the year. More eruptions are expected this year. With the increased activity at the Axial Seamount ...