EPS 20 Lecture Notes - Lecture 17: Earthquake Early Warning (Japan), Warning System
26 Apr 2016
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Document Summary
Earthquakes move at the speed of sound. Warning system can send an electronic communication at the speed of sound. When a p-wave hits the station it can send the warning ahead of the earthquake. A test/demonstration system for earthquake early warning. Personal safety: a few seconds of warning to get under desk/away from falling objects. Automated control: slow down bart trains, power down nuclear stations, etc Situation awareness: send out information before connection is lost. Bart: to slow down trains during earthquake and for post-earthquake recovery. City of san francisco, google, uc berkeley police, city of los angeles, fire. California law that state emergency service must build an earthquake early warning system. Issue is no general funds (tax money) can be used for funding. In washington d. c. there is consensus that it should be built but disagreement on funding. million to complete and operate the system for ve years. On west coast we lose about . 1 billion a year.
