Jien Volcano News Today

Nasa use satellites and monitoring stations and yellowstone national park is a jien volcano and some eruptions are so big they could affect u.s. climate. >> the old faithful is a volcanic activity in. >> that whole area is a giant volcano and people look at deformation in the ground and nobody thinks it will erupt tomorrow, but it will erupt eventually and it will be a massive eruption. >> wow, tom wagner, glad its not happening tomorrow. keep it right here on msnbc saturday because at the top...