When Alaska's Redoubt Volcano rumbled to life three years ago, researchers rushed to the scene to deploy radio sensors to catalog and map lightning within the plume. The readings, the team now reports ...

On April 22 at 6:04 p.m. the Calbuco volcano in Chile began erupting for the first time since 1972. The volcano spewed ash and pumice for at least 90 minutes as lava flowed from the main vent. Another ...

Last year's colossal eruption of the Hunga undersea volcano near Tonga produced the most intense lightning storm ever recorded on Earth, scientists announced in a new study published this week. In ...

Volcanic lightning is a striking and multifaceted phenomenon that occurs during explosive eruptions, when vigorous interactions between fragmented ash particles, volcanic gases and environmental ...

Bolts of volcanic lightning have been captured coming out of Guatemala's Fuego volcano in extremely rare footage. The video was shot by mountain tour guide Chino Aventuras, who was leading a group of ...

New research shows that the plume emitted by the Hunga Tonga-Hunga Ha'apai volcano eruption on January 15, 2022, created the highest lightning flash rates ever recorded on Earth, more than any storm ...

Volcanic eruptions tend to evoke images of flowing molten lava and giant ash plumes, but when an underwater volcano off Tonga began a major eruption on Jan. 13, it was accompanied by one of the ...

An image of Augustine erupting on January 13, 2006, from about 50 miles away from the volcano. Courtesy of Gerald Andrew When Mount St. Augustine in Alaska erupted in mid-January 2006 for the first ...