International group of researchers involving geologists from Wits University (Prof. Rais Latypov and Dr. Sofya Chistyakova) in Johannesburg have come up with an unexpected conclusion that basaltic ...

Oct. 22 (UPI) --Most volcanic eruptions are of the basaltic variety. The eruptions are typically rather tame. Every once in a while, however, the same types of eruptions turn violent and explosive.

Scientists examine a large dike, formed from a sheet of magma that came to Earth’s surface millions of years ago during the Columbia River Basalt eruptions. These dikes fed magma to massive eruptions.

Billions of years ago, parts of Greenland were a molten sea, a sharp contrast to the pale-blue ice seen there today. Researchers have now found isotope signatures of that burbling, primordial Earth in ...

Volcanoes that are thought to be mild-mannered, releasing steady lava flows, can sometimes erupt explosively without warning—as New Zealand's Mount Tarawera did in June 1886, causing widespread damage ...