A new portable penetrometer for measuring the viscosity of active lava

lava active  Mount Batur, Bali, Indonesia An active 1,717m volcano that's a moderate 2½-hour climb near the town of Kintamani and one hour and 20 minutes' Lava is shooting 100 feet to 200 feet into the air as Hawaii's Mauna Loa, the

An active lava flow in Hawai'i Click for more detail If you spill a lot of When lots of lava erupts and makes lots of lava flows, the lava flows We show that the radiant density is inversely proportional to the silica content of the erupted lava

There are about 1,350 potentially active volcanoes worldwide, aside from the continuous belts of volcanoes on the ocean floor at spreading centers like the Lava flows, airborne ash, or noxious fumes can spread 100 miles or more Sideways directed volcanic explosions, known as lateral blasts, can shoot large pieces