Demonstration of Earthquake Early Warning Using Total Displacement Waveforms from Real-time GPS Networks

  title={Demonstration of Earthquake Early Warning Using Total Displacement Waveforms from Real-time GPS Networks},
  author={Brendan Crowell and Yehuda Bock and Melinda Squibb},
Instrumentation includes broadband velocity and strong motion acceleration sensors, which measure dynamic ground motions with great accuracy (e.g. seismic early warning of events requires continuous monitoring of a suite of stations looking for changes in key parameters. Most algorithms use displacement when trying to estimate the potential magnitude of an event from the initial few seconds. !e magnitude estimates are made on the ratio of the short-term average displacement to the long-term… CONTINUE READING
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