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b'"Locked and loaded\\u201d is how one scientist recently described the San Andreas fault.\\xa0Find out when this famous west-coast rift might cause \\u201cthe big one;\\u201d also, the state of early earthquake warning systems.\\nPlus, another sign of our planet\\u2019s unceasing turmoil: volcanos!\\xa0Could the eruption that produced the Deccan Traps, and not a rock from space, have been the nail in the coffin for the dinosaurs?\\xa0One seismologist shares new evidence about some suspicious timing.\\nAnd, the man who was the first to take the temperature of lava, established the Hawaiian Volcano Observatory, and essentially pioneered the field of volcanology a century ago is nearly lost to history.\\xa0A scientist rescues fellow volcanologist Thomas Jagger from obscurity.\\xa0\\nGuests:\\n\\n\\nTom Jordan \\u2013 Seismologist, director, Southern California Earthquake Center, University of Southern California\\xa0\\n\\n\\nMark Richards \\u2013 Professor of earth and planetary science, University of California, Berkeley\\n\\nJohn Dvorak -\\xa0Volcanologist who worked with the United States Geological Survey for 16 years, author, \\u201cThe Last Volcano: A Man, A Romance, and the Quest to Understand Nature\\u2019s Most Magnificent Fury\\u201d\\n\\n\\nLearn more about your ad choices. Visit megaphone.fm/adchoices'