Earth’s Crust in Turmoil

What is causing our planet to shake so violently all of a sudden?  Rivers of lava have been pouring out of the Kilauea Volcano in Hawaii for weeks, a massive eruption of Mount Merapi just a few days ago shot volcanic ash 38,000 feet into the air, and now rivers of lava are pouring out of Guatemala’s Fuego Volcano.  Overall, Volcano Discovery is reporting that a total of 34 volcanoes around the world are erupting right now.  So what is causing so much seismic activity all of a sudden, and is t...