ENCORE We think of major geologic events as taking place a long time ago – but the Earth is just as active as it ever was. We’re a planet in motion. Discover why earthquakes might be increasing worldwide… descend into daring cave exploration… and take a trip to Hawaii where new volcanoes are gurgling up right now. Plus – the supervolcano under Yellowstone Park… when might it erupt again? Guests: Robert Nadeau – Geologist, University of California, Berkeley Seismological Laboratory and part of a team from Rice University researching the San Andreas Fault Joel Achenbach – Reporter, author of “When Yellowstone Explodes”, August 2009 National Geographic cover story Jim Kauahikaua – Scientist-in-Charge, United States Geologic Survey Hawaiian Volcano Observatory Pat Kambesis – Geologist, Assistant Director of the Hoffman Environmental Research Institute at Western Kentucky University Descripción en español