Lava domes are rounded, steep-sided mounds built by magma that is highly resistant to flow, usually either dacite or rhyolite. Such magmas are typically too viscous to move far from the vent ...

Researchers have found that half of all active volcanoes are exposed to the risk of torrential rains linked to climate change ...

The park is home to more than 40 volcanoes, bubbling mudpots, steaming fumaroles, stunning mountain views and vast, naturally dark skies. The park's namesake peak is the one of the largest plug dome ...

Paricutin in Mexico is a well-known example Created by slow eruptions of viscous lava, these domes form rounded, steep-sided ...

There are many different kinds of volcanoes, ranging from the Hawaiian type, which produces gentle, effusive eruptions that tourists can observe from mere steps away, to the andesitic variety ...