HR: 1340h
AN: S33B-1310    [Abstracts]
TI: Studying Thermal Anomaly before Japan Earthquake with NCEP Data
AU: * Guangmeng, G
EM: guogm@igsnrr.ac.cn
AF: institute of geography and natural resource,CAS, Datun Road No.11, Beijing, 100101, China
AU: * Guangmeng, G
EM: guogm@igsnrr.ac.cn
AF: Nanyang Normal University, Wolong Road No.1638, Nanyang, 473061, China
AU: bin, W
EM: w610110@163.com
AF: Nanyang Normal University, Wolong Road No.1638, Nanyang, 473061, China
AU: Hongjie, X
EM: hongjie.xie@utsa.edu
AF: University of Texas at San Antonio, San Antonio, San Antonio, TX 78249, United States
AB: Thermal anomaly before earthquake was widely studied with satellite data such as AVHRR and MODIS. A big disadvantage is that satellite thermal data can not penetrate thick clouds to retrieve surface temperature, and the distance between thermal anomaly and future epicenter is too far to estimate the possible epicenter. Here we first introduced NCEP Reanalysis data which is widely used in atmosphere research area, found the possible thermal anomalies before earthquakes, and in this research the distance between thermal anomaly and future epicenter is about 1degree. This method is easy, quick and low cost compared with the traditional geophysical method. According to this anomaly we can verify the possible epicenter within an reasonable spatial error of about 1 degree. If other geophysical method is combined with this method together, the false alarm may be reduced and the accuracy may be promoted.
DE: 0694 Instruments and techniques
DE: 7223 Earthquake interaction, forecasting, and prediction (1217, 1242)
DE: 8123 Dynamics: seismotectonics
SC: Seismology [S]
MN: 2007 Fall Meeting