Is Hekla about to erupt?
Hekla Geology Mountain type Active fissure stratovolcano Last eruption February to March 2000 Climbing What is a VEI 3 eruption? From Wikipedia, the free encyclopedia. Volcanic eruptions that rated 3 on the Volcanic Explosivity Index. Such eruptions release a tephra volume of at least 0.01 km3 (0.0024 cu mi) with noticeable effects on the surrounding…