Abstract
An earthquake emergency command system is designed based on cloud computing and the Internet of Things (IoT) to mitigate slow information acquisition, low processing efficiency, and weak information storage and communication ability in earthquake rescue. First, cloud computing technology is introduced, and a traditional earthquake emergency command system is analyzed comprehensively. Then, the characteristics of midwave infrared remote sensing data are explored before and after recent earthquakes in China based on satellite remote sensing data. Subsequently, a new earthquake emergency command system is built based on cloud computing and IoT technology along with data from satellite midwave infrared remote sensing. Finally, system feasibility is evaluated. The results show that surface radiation changes significantly before an earthquake; infrared brightness and temperature fluctuates drastically; and the abnormal region gradually approaches the epicenter of the earthquake. The peak value of the relative power spectrum in the earthquake is more than 9 times the average. In conclusion, the proposed emergency command system based on satellite remote sensing data, cloud computing, and IoT can yield good evaluation results (5.36), demonstrating that multidimensional satellite thermal infrared remote sensing data analysis can improve the accuracy of earthquake prediction. The proposed earthquake emergency command system based on satellite remote sensing data combined with cloud computing and IoT technology can also provide a basis for optimizing earthquake rescue strategies.
Highlights
WAVELET ANALYSIS RESULTS OF SATELLITE REMOTE SENSING DATA The magnitude-6.8 earthquake occurred on August 25, 2008 in Zhongba, Tibet autonomous region, with an epicenter of 31.0 °N and 83.6 °E
The observation data of thermal infrared brightness temperature in the region directly under the jurisdiction of no earthquake in this period are used as the normal control, and the seismic data of Zhongba, Tibet are compared and analyzed
The study is aimed to solve the various problems in earthquake rescue, cloud computing and Internet of Things (IoT) are applied in the design of earthquake emergency command system
Summary
The junction of various plate is the place where earthquakes are most likely to occur [1]. Because of the vast territory, there are seven earthquake zones in China. Since the 21th century, 8 violent earthquakes at magnitude eight or above have occurred in the world. In China’s “5.12” violent earthquake in 2008, 69,227 people were killed, 17,923 people were missing, 374,643 people were injured, and the economic loss was more than RMB 1 trillion Yuan [4]. The ability of informing earthquake in advance is not complete in China. Technology has developed rapidly since the 21th century, good research achievements in the aspect of earthquake prediction have not been made. Some progress has been made through applying satellite thermal infrared data to the study of earthquakes cases, and the quantified spatiotemporal evolution feature information has been obtained, which is of great significance for us to track and obtain the thermal anomalies related to the earthquake with these data, so as to provide a basis for the accurate prediction of the earthquake
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