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California Earthquake Early Warning Bill Approved by Senate Natural Resources Committee

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Posted: Tuesday, April 23, 2013 4:30 pm

From a release from Senator Alex Padilla

The Senate Natural Resources Committee today approved SB 135 by Senator Alex Padilla (DPacoima). The vote was 9?0. The bill would require the development of a comprehensive statewide earthquake early warning system in California. The measure now goes to the Senate Appropriations Committee for consideration.

About 90% of the world's earthquakes and over 80% of the world's strongest quakes occur along the Pacific Ring of Fire. The Ring of Fire includes the very active San Andreas Fault zone here in California. Japan, Taiwan, Mexico, Turkey, Romania, Italy and China either have or are working on earthquake early warning systems.

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Specifically, SB 135 would direct the Office of Emergency Services, in collaboration with the California Institute of Technology (Caltech), the California Geological Survey, the University of California Berkeley, the United States Geological Survey, and others, to develop a comprehensive statewide earthquake early warning system in California. The initial cost estimate for the system is $80 million.

"A fully developed earthquake early warning system would provide Californians critical seconds to take cover, assist loved ones, or pull over safely to the side of the road. It could allow time to stop a train and power down other critical infrastructure," said Senator Alex Padilla. "We all know a big quake will hit again in the future. We should be smart and use our science and technology to detect seismic

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California Earthquake Early Warning Bill Approved by Senate Natural Resources Committee - Scoop San Diego: Local News

activity and alert people in advance of destructive shaking," Padilla added.

"An earthquake early warning would speed the response of critical public safety personnel by quickly identifying areas hardest hit by a quake," Padilla said. "California is going to have an earthquake early warning system, the question is whether we have one before or after the next big quake," added Padilla.

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In January, the California Institute of Technology and the Japan Agency for Marine Earth Science and Technology published a study concluding for the first time that a statewide California earthquake involving both the Los Angeles and San Francisco metropolitan areas may be possible. The Uniform California Earthquake Rupture Forecast released in 2008 predicted a 99.7 percent likelihood of a magnitude 6.7 earthquake in California in the next 30 years and a 94% chance of a magnitude 7.0.

San Diego, CA

Current Conditions

Cloudy Humidity: 75%

60? Winds: WSW at 7mph Feels Like: 60?

California presently has a demonstration

earthquake early warning system called the

California Integrated Seismic Network (CISN).

SB 135 would fully develop this system, which

1

would process data from an array of sensors

throughout the state, detect the strength and

the progression of an earthquake, alert the

public within seconds and provide up to 60 seconds advanced warning before potentially

damaging ground shaking is felt. The betasystem worked successfully several weeks ago,

providing a 30second warning to seismologists of a 4.7magnitude temblor centered in the

Riverside County desert.

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Japan's earthquake early warning system provided the public with critical advanced warning of the 9.0 magnitude Tohoku earthquake in March 2011. Earthquake warnings were automatically broadcast on television and radio, and 52 million people received the warning on their smartphones. Millions more downloaded the early warning app after the quake to receive warnings in advance of large aftershocks. The system brought bullet trains to a stop, and triggered the automatic shutdown of operations at critical companies. A professor at the University of Sendai received a text message of the warning and was able to warn his students to duck for cover before the shaking began and the light fixtures fell from the ceiling.

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Posted in Local, National on Tuesday, April 23, 2013 4:30 pm. | Tags: California, Earthquakes In Japan, Natural Disasters, Seismology, Disaster_accident, Environment, Alex Padilla, California Institute Of Technology,

Emergency Management, Earthquake Warning System, Earthquake Early Warning, T Hoku Earthquake And Tsunami, Earthquake, Earthquake Prediction, Alum Rock Earthquake, Senate Natural Resources Committee, University Of California Berkeley, Senate Appropriations Committee, California Geological Survey,

Office Of Emergency Services, University Of California, United States Geological Survey, Japan Agency For Marineearth Science And Technology, Japan Agency For Marineearth Science, Riverside County, Riverside County Desert, Smartphones

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