Remote Sensing Applications and Decision Support

Thermal infrared anomaly indicating unformed strong earthquake sequences

[+] Author Affiliations
Qinglin Yao

Institute of Geology, China Earthquake Administration, P.O. Box 9803, Beijing 100029, China

Zuji Qiang

Institute of Geology, China Earthquake Administration, P.O. Box 9803, Beijing 100029, China

J. Appl. Remote Sens. 9(1), 096089 (Feb 04, 2015). doi:10.1117/1.JRS.9.096089
History: Received July 9, 2014; Accepted December 17, 2014
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Abstract.  By processing and analyzing many satellite remote sensing images in infrared channels, we found visual evidence indicating earthquake sequences. In a sequence, large earthquakes could migrate thousands of kilometers along a linear route from one land mass to another, and infrared anomalies also cover these land masses. The sequence has at least two types: (1) quakes alternately occurring at two ends of a belt, or (2) quakes progressively migrating along a far-flung route. The former can be foreshowed in a single infrared belt with a legible directed structure and higher brightness temperature; the latter can be identified in advance from the shift, veer, and deformation of more areas with a higher brightness temperature. The thermal infrared anomalies with a shorter duration are used to predict the quake-sequence evolving in a longer period. Two sorts of sequences can meet and form a more complex structure that can also be shown in advance by an anomalous infrared area. These studies on the seismic sequences will provide a potent means for analyzing earthquake-pregnant fields and estimating the location of unformed earthquake sequences.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Qinglin Yao and Zuji Qiang
"Thermal infrared anomaly indicating unformed strong earthquake sequences", J. Appl. Remote Sens. 9(1), 096089 (Feb 04, 2015). ; http://dx.doi.org/10.1117/1.JRS.9.096089


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