Several volcanic "dust devils" were observed this weekend on Mt. Kilauea. The science of volcanic ash vortices or volcano-nados.

A fountainous Kilauea volcano eruption in Hawaii was accompanied by a small tornado-like vortex that spun up right next to ...

Imagine a tornado spinning over an erupting supervolcano. The result would be catastrophic beyond comprehension. While such a collision is incredibly unlikely, exploring it reveals just how ...

By Cassandra Garrison LA PAZ, June 20 (Reuters) - Tensions soared in parts of Bolivia on Saturday as authorities began ...

A unique phenomenon known as a “Tephra Devil” was captured swirling over a crater on Hawaii’s Kilauea during the volcano’s 47th eruptive episode last week. Tephra is a catch-all term that describes ...

During a nearly 8-hour eruption of Hawaii's Kilauea volcano on June 14th, a vortex of ash and debris was seen by spectators ...

Add Yahoo as a preferred source to see more of our stories on Google. VOLCANO, HI (KHON2) — A rare phenomenon was captured during Kīlauea’s latest eruption on Sunday and had many viewers wondering if ...

Tephra is a catch-all term that describes various kinds of rocks blasted into the air during eruptions. The swirl seen in this video is similar to a dust devil — where the ground warms a thin layer of ...

HAWAII VOLCANOES NATIONAL PARK, Hawaii — A unique phenomenon known as a "Tephra Devil" was captured swirling over a crater on Hawaii's Kilauea during the volcano's 47th eruptive episode last week.