期刊
INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION
卷 63, 期 -, 页码 158-166出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jag.2017.08.002
关键词
Earthquake; Land surface temperature (LST); LST anomaly; Precursor; Remote sensing
资金
- DST-PURSE of Jawaharlal Nehru University
- German Academic Exchange Service (DAAD)
The low predictability of earthquakes and the high uncertainty associated with their forecasts make earthquakes one of the worst natural calamities, capable of causing instant loss of life and property. Here, we discuss the studies reporting the observed anomalies in the satellite-derived Land Surface Temperature (LST) before an earthquake. We compile the conclusions of these studies and evaluate the use of remotely sensed LST anomalies as precursors of earthquakes. The arrival times and the amplitudes of the anomalies vary widely, thus making it difficult to consider them as universal markers to issue earthquake warnings. Based on the randomness in the observations of these precursors, we support employing a global-scale monitoring system to detect statistically robust anomalous geophysical signals prior to earthquakes before considering them as definite precursors.
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