Tephra is any type and size of rock fragment that is forcibly ejected from a volcano and travels an airborne path during an eruption. Examples include ash, bombs, scoria, and shards of volcanic glass ...

HILO, Hawaii (KHON2) — The Hawaiian Volcano Observatory (HVO) on the Big Island announced on Thursday, Jan. 7, the opening of a new lab that will help scientists study volcanic samples known as tephra ...

The USGS Hawaiian Volcano Observatory “lavas” working with our partners at the University of Hawai‘i at Hilo (UHH), and for Valentine’s Day we wanted to highlight some of the things we appreciate ...

The electrifying displays of lightning often seen over volcanoes have now been experimentally generated in the lab, research that could help shed light on the effects volcanic eruptions have on the ...

LONDON (Reuters) - Scientists have recreated conditions found in an erupting volcano in the laboratory, offering a new way to understand and forecast future damaging eruptions. Using rock from ...

Scientists have created the first artificial volcano capable of simulating the lightning flashes seen in real-life eruptions. Volcanic eruptions are amongst the most powerful geologic events known to ...