geology
The Best Way to See Lava Up Close is By Hawaiian Tour Boat
The Mystery of Kazakhstan's "Dragonglass"
Rivers of Blue Fire Erupt From Indonesia’s Volcanoes
Super-Charged Volcanic Cloud Spews Lighting and Dragon Glass
Northern Russia Marred with Dozens More Exploded Craters
Scientists Finally Descend Into The Russian Crater
Couple Films a Volcano’s Shockwave Smashing Into the Sky
What (Probably) Created The Siberian Craters Is Worse Than Inquisitive Aliens