Research ArticleGEOPHYSICS

Crowdsourced earthquake early warning

Science Advances  10 Apr 2015:
Vol. 1, no. 3, e1500036
DOI: 10.1126/sciadv.1500036

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Earthquake early warning (EEW) can reduce harm to people and infrastructure from earthquakes and tsunamis, but it has not been implemented in most high earthquake-risk regions because of prohibitive cost. Common consumer devices such as smartphones contain low-cost versions of the sensors used in EEW. Although less accurate than scientific-grade instruments, these sensors are globally ubiquitous. Through controlled tests of consumer devices, simulation of an Mw (moment magnitude) 7 earthquake on California’s Hayward fault, and real data from the Mw 9 Tohoku-oki earthquake, we demonstrate that EEW could be achieved via crowdsourcing.

  • Earthquake Early Warning
  • Crowd-Sourcing
  • Seismology
  • Geodesy
  • Earthquakes
  • Tsunami
  • Natural Disasters

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

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