How do volcanoes function beneath their rocky surfaces? What drives the rumbling vibrations, called tremor, that occur when molten rock or gases travel upward through underground channels? Professor Dr. Miriam Christina Reiss, a volcano…

How do volcanoes function beneath their rocky surfaces? What drives the rumbling vibrations, called tremor, that occur when molten rock or gases travel upward through underground channels? Professor Dr. Miriam Christina Reiss, a volcano…