The activity at Hawaii's Kilauea volcano started around 4:15 p.m. local time and lasted for several hours, according to the U ...

which has been created through a partial crystallization of the glass. Since it's born out of molten rock, obsidian is only found in volcanic regions of the world, including in parts of the United ...

Kīlauea, one of the world's most active volcanoes, is at it again. The infamous crater has been spurting fountains of lava on and off since the end of last year, and on May 25, it shot a fiery jet of ...

At the moment, Kilauea is shooting large amounts of volcanic rock and lava into the sky, with the United States Geological ...

Despite a recent decrease in activity, there’s still a chance Mount Spurr will blow. And if that happens, there are a few ...

ONE of the world’s most active volcanoes has erupted again in Hawaii, spewing nearly 1,000ft lava jets into the sky. That’s nearly as high as the Eiffel Tower. Footage of the ...

during the natural alteration of volcanic glass and ash, giving the rock a "mudrock-like" aspect." The alteration of the ash due to passage of water induced the precipitation of zeolites ...