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Delivering earthquake warnings to the U.S. west coast

Delivering earthquake warnings to the U.S. west coast . Earthquake early warning summit April 4-5, 2011, UC Berkeley. Why we are here…. The U.S. west coast is a tectonic plate boundary Therefore we must be ready for big earthquakes. North-south divide in the character of the earthquakes.

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Delivering earthquake warnings to the U.S. west coast

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  1. Delivering earthquake warnings to the U.S. west coast Earthquake early warning summit April 4-5, 2011, UC Berkeley

  2. Why we are here… The U.S. west coast is a tectonic plate boundary Therefore we must be ready for big earthquakes North-south divide in the character of the earthquakes

  3. Why we are here… The U.S. west coast is a tectonic plate boundary Therefore we must be ready for big earthquakes • To the north: subduction zone • A magnitude 9 earthquake similar to the one that just occurred in Japan is possible

  4. Why we are here… To the south: San Andreas Fault Network of onshore and offshore faults, including the Hayward Fault Expect an earthquake similar to 1995 Kobe earthquake: 6000 fatalities, $100 billion losses

  5. March 11, 2011: The warning For a user in Tokyo YouTube: http://www.youtube.com/watch?v=xYctjv7ouBc Download mp4: http://seismo.berkeley.edu/~rallen/research/WarningsInJapan/HomeComputerWarningThenShaking_wExplanation.mp4

  6. Yesterday • University and government scientists from: • Caltech • Central Washington University • Stanford • Southern California Earthquake Center • UC Berkeley • UC San Diego • University of Washington • U.S. Geological Survey

  7. Yesterday Summit resolution Warnings can be provided before earthquake shaking • University and government scientists from: • Caltech • Central Washington University • Stanford • Southern California Earthquake Center • UC Berkeley • UC San Diego • University of Washington • U.S. Geological Survey Warnings complement good buildings and planning In the recent M9 earthquake in Japan a warning was successfully issued in the region of strongest shaking Areas for improvement of the Japanese system have been identified Testing of a warning system in the US has been ongoing. Now it the time for broader engagement of users. Sustained and enhanced funding is needed to make warnings a reality

  8. Introductions

  9. Today The March 11, M9 Tohokuearthquake: What happened HirooKanamori (Caltech) The current status of early warning in the U.S. Tom Heaton (Caltech) End of webcasting Applications of early warning in the U.S. and what is needed to deliver them Richard Allen (UC Berkeley) Open discussion

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