![国家地理自然力量](/mxtheme/images/loading.gif)
导演:
George Casey,
主演:
Marie Edmonds,Ross Stein,Joshua Wurman,
Volcanoes,earthquakes,andtornadoesallcancauseenormousdamage,andpredictingwhereandwhentheywillstrikeisofgreatimportance.VolcanologistDr.MarieEdmondshasdevisedsensorsthatmonitortheundergroundactivityofmagmatobetterpredictfutureeruptionsontheCaribbeanislando
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