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Sensors 2013, 13(11), 14261-14276; doi:10.3390/s131114261
Article

Application of Collocated GPS and Seismic Sensors to Earthquake Monitoring and Early Warning

1,2
, 1,*  and 1
Received: 14 August 2013; in revised form: 14 October 2013 / Accepted: 17 October 2013 / Published: 24 October 2013
(This article belongs to the Section Remote Sensors)
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Abstract: We explore the use of collocated GPS and seismic sensors for earthquake monitoring and early warning. The GPS and seismic data collected during the 2011 Tohoku-Oki (Japan) and the 2010 El Mayor-Cucapah (Mexico) earthquakes are analyzed by using a tightly-coupled integration. The performance of the integrated results is validated by both time and frequency domain analysis. We detect the P-wave arrival and observe small-scale features of the movement from the integrated results and locate the epicenter. Meanwhile, permanent offsets are extracted from the integrated displacements highly accurately and used for reliable fault slip inversion and magnitude estimation.
Keywords: real-time high-rate GPS; seismic sensor; integrated displacements; earthquake monitoring; earthquake early warning real-time high-rate GPS; seismic sensor; integrated displacements; earthquake monitoring; earthquake early warning
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Li, X.; Zhang, X.; Guo, B. Application of Collocated GPS and Seismic Sensors to Earthquake Monitoring and Early Warning. Sensors 2013, 13, 14261-14276.

AMA Style

Li X, Zhang X, Guo B. Application of Collocated GPS and Seismic Sensors to Earthquake Monitoring and Early Warning. Sensors. 2013; 13(11):14261-14276.

Chicago/Turabian Style

Li, Xingxing; Zhang, Xiaohong; Guo, Bofeng. 2013. "Application of Collocated GPS and Seismic Sensors to Earthquake Monitoring and Early Warning." Sensors 13, no. 11: 14261-14276.



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