AI Article Synopsis
- Earthquake early warning (EEW) can significantly mitigate damage from earthquakes and tsunamis, but high implementation costs hinder its use in high-risk areas.
- Common consumer devices like smartphones have affordable sensors that, while not as precise as professional ones, are widely available.
- By testing these devices in simulations and analyzing real-world earthquake data, the study shows that crowdsourcing could effectively enable EEW.
Article Abstract
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 M w (moment magnitude) 7 earthquake on California's Hayward fault, and real data from the M w 9 Tohoku-oki earthquake, we demonstrate that EEW could be achieved via crowdsourcing.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4640622 | PMC |
| http://dx.doi.org/10.1126/sciadv.1500036 | DOI Listing |
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