BC Earthquake Early Warning System
Dr. Carlos E. Ventura, P.Eng. Department of Civil Engineering The University of British Columbia
[email protected] Filename, 1
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Must have a network system Achieve economy as subset of the Strong Motion Network (SMN) UBC/MoTI have developed a new instrument (TETRA) ◦ ◦ ◦ ◦ ◦
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Small Low power usage Must detect and measure P-wave & SM parameters for SMN Accurate and reliable Inexpensive (capital and maintenance)
UBC developing initial system software ◦ Should be adaptable to existing EEW notification technology
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“Low risk” recipients ◦ Schools (public and private currently collaborating) ◦ Others would include fire and ambulance stations, etc.
BC EEW Network
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BC EEW Network NODE SITE
PA System
Main Server at Emergency Operations Response Center
PA System
Internet
Web Relay
Web Relay
Site Server
Power Over Ethernet Switch
Site Server
Site 1
… .
Site N
Tetra sensor detects the onset of the P-Wave arrival of an earthquake
Network Cable
Tetra Sensors are placed at two downhole locations at the node site Sensor 1
ALARMED SITE
Onset of the P-Wave
Sensor 2
Onset of the S-Wave
Earthquake
68 school sites: 30 Node Sites, 38 Alarmed-only Sites + 12 new sites being added this year Filename, 4
TETRA (POE accelerometer) A sensor for Seismic Early Warning & Strong Ground motion State-of-the-art technology specifically developed for BC Internet-based system & POE High sensitivity, self-orienting, programmable Can be used above and below ground, and underwater Can measure ground shaking, magnetism & temperature
RCAV Earthquake Early Warning System Project
Training component
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2.3 Response
Thank you
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