which can flow more than 60 miles per hour. During the 2002 eruption, swaths of lava up to 165 feet wide tore down Nyiragongo's slopes, burning everything in their path. Tephra is a general term ...

tephra and pyroclastic-flow deposits),” Phivolcs explained on its website. In a separate advisory, Phivolcs said Taal Volcano emitted 1,113.3 tons of sulfur dioxide on Monday, January 20.

tephra and pyroclastic-flow deposits).” READ: Taal Volcano back to spewing high-volume of toxic gas The OCD, meanwhile, advised the public that in case of a volcanic eruption, they must: ...