"High levels of volcanic gas and strands of volcanic glass are among the hazards," the NPS warned. "Eruptive activity can change at any time." Strands of volcanic glass, known as Pele’s hair, are ...
"Eruptive activity can change at any time." Strands of volcanic glass, known as Pele’s hair, are often produced by lava fountaining activity, and can be carried by the wind. Pele’s hair can ...