Russian Journal of Earth Sciences Russian Journal of Earth Sciences Russian Journal of Earth Sciences 1681-1208 46692 ОРИГИНАЛЬНЫЕ СТАТЬИ ORIGINAL ARTICLES ОРИГИНАЛЬНЫЕ СТАТЬИ Multi-parametric analysis of earthquake precursors Multi-parametric analysis of earthquake precursors Wu Hong-Chun Wu Hong-Chun Tikhonov Ivan N Tikhonov Ivan N Césped Ariel R Césped Ariel R Institute of Labor, Occupational Safety and Health ru Institute of Labor, Occupational Safety and Health ru Institute of Marine Geology and Geophysics of FEB RAS ru Institute of Marine Geology and Geophysics of FEB RAS ru Department of Mechanic Engineering, University of Santiago ru Department of Mechanic Engineering, University of Santiago ru 15 3 1 6 29 10 2021 https://rjes.ru/en/nauka/article/46692/view

Many scientists around the world have reported the occurrence of atmospheric anomalies prior to earthquakes. According to the Lithosphere-Atmosphere-Ionosphere Coupling (LAIC) model, the thermal flux results in temperature rising, humidity and pressure drop, and finally, changes in the velocity line when jet-stream passes through the region over the future epicenter. Using satellite observation, we tried to find out the possible atmospheric disturbances in the surface latent heat flux (SHLF), meteorological features, and jet-stream velocity change before the powerful $M =7.8$ Nepal Earthquake on 25 April 2015 and $M= 6.6$ Taiwan Earthquake on 20 April 2015. To reinforce these observations, a numerical modeling of seismology regime dynamics is also performed.

Many scientists around the world have reported the occurrence of atmospheric anomalies prior to earthquakes. According to the Lithosphere-Atmosphere-Ionosphere Coupling (LAIC) model, the thermal flux results in temperature rising, humidity and pressure drop, and finally, changes in the velocity line when jet-stream passes through the region over the future epicenter. Using satellite observation, we tried to find out the possible atmospheric disturbances in the surface latent heat flux (SHLF), meteorological features, and jet-stream velocity change before the powerful $M =7.8$ Nepal Earthquake on 25 April 2015 and $M= 6.6$ Taiwan Earthquake on 20 April 2015. To reinforce these observations, a numerical modeling of seismology regime dynamics is also performed.

 Strong earthquake epicenter earthquake flux heat flux humidity jet stream precursory anomaly Strong earthquake epicenter earthquake flux heat flux humidity jet stream precursory anomaly

Dey, S., Singh, R. P. Surface latent heat flux as an earthquake precursor, // Natural Hazards and Earth System Science, 2003. - v. 3 - no. 6 - p. 749. Dey, S., Singh, R. P. Surface latent heat flux as an earthquake precursor, // Natural Hazards and Earth System Science, 2003. - v. 3 - no. 6 - p. 749. Dobrovolsky, I. P. The Theory of Tectonic Earthquake Preparation (in Russian) - Moscow: IPE RAS., 1991. - 217 pp. Dobrovolsky, I. P. The Theory of Tectonic Earthquake Preparation (in Russian) - Moscow: IPE RAS., 1991. - 217 pp. Freund, F. T. Stress-Activated Positive Hole Charge Carriers in Rocks and the Generation of Pre-earthquake Signals, Electromagnetic Phenomena Associated with Earthquakes and Volcanoes, M. Hayakawa (ed.) - India: Research Signpost., 2009. - 41-96 pp. Freund, F. T. Stress-Activated Positive Hole Charge Carriers in Rocks and the Generation of Pre-earthquake Signals, Electromagnetic Phenomena Associated with Earthquakes and Volcanoes, M. Hayakawa (ed.) - India: Research Signpost., 2009. - 41-96 pp. Malyshev, A. I., Tikhonov, I. N. Regularities in dynamics of foreshock-aftershock sequences of earthquakes around the Southern Kurile Islands, // Doklady AN SSSR, 1991. - v. 319 - no. 1 - p. 134. Malyshev, A. I., Tikhonov, I. N. Regularities in dynamics of foreshock-aftershock sequences of earthquakes around the Southern Kurile Islands, // Doklady AN SSSR, 1991. - v. 319 - no. 1 - p. 134. Malyshev, A. I., Tikhonov, I. N. Patterns of Japan Seismicity before the Large Earthquakes of 1985-1988, // Russian Journal of Volcanology and Seismology, 1996. - v. 18 - p. 299. Malyshev, A. I., Tikhonov, I. N. Patterns of Japan Seismicity before the Large Earthquakes of 1985-1988, // Russian Journal of Volcanology and Seismology, 1996. - v. 18 - p. 299. Malyshev, A. I., Tikhonov, I. N. Nonlinear regular features in the development of the seismic process in time, // Izvestiya-Physics of the Solid Earth, 2007. - v. 43 - no. 6 - p. 476. Malyshev, A. I., Tikhonov, I. N. Nonlinear regular features in the development of the seismic process in time, // Izvestiya-Physics of the Solid Earth, 2007. - v. 43 - no. 6 - p. 476. Ouzounov, D., Pulinets, S., Liu, J. Y., Hattori, K., Parrot, M., Kafatos, M., Yang, T. F., Jhuang, H., Taylor, P., Ohyama, K., #x81;#x81;on, S. Multidisciplinary Approach for Earthquake Atmospheric Precursors Validation by Joint Satellite and Ground Based Observations // 2010 AGU Fall meeting - San Francisco, Calif.: AGU., 2010. - p. 476. Ouzounov, D., Pulinets, S., Liu, J. Y., Hattori, K., Parrot, M., Kafatos, M., Yang, T. F., Jhuang, H., Taylor, P., Ohyama, K., #x81;#x81;on, S. Multidisciplinary Approach for Earthquake Atmospheric Precursors Validation by Joint Satellite and Ground Based Observations // 2010 AGU Fall meeting - San Francisco, Calif.: AGU., 2010. - p. 476. Pulinets, S., Ouzounov, D. Lithosphere-atmosphere-ionosphere coupling (LAIC) model - an unified concept for earthquake precursors validation, // Journal of Asian Earth Sciences, 2011. - v. 41 - p. 371. Pulinets, S., Ouzounov, D. Lithosphere-atmosphere-ionosphere coupling (LAIC) model - an unified concept for earthquake precursors validation, // Journal of Asian Earth Sciences, 2011. - v. 41 - p. 371. Pulinets, S., Ouzounov, D., Ciraolo, L., Singh, R., Cervone, G., #x81;#x81;eyva, A., Dunajecka, M., Karelin, A. V., Boyarchuk, K. A., #x81;#x81;otsarenko, A. Thermal, atmospheric and ionospheric anomalies around the time of the Colima $M=7.8$ earthquake of 21 January 2003, // Ann. Geophys., 2006. - v. 24 - p. 835. Pulinets, S., Ouzounov, D., Ciraolo, L., Singh, R., Cervone, G., #x81;#x81;eyva, A., Dunajecka, M., Karelin, A. V., Boyarchuk, K. A., #x81;#x81;otsarenko, A. Thermal, atmospheric and ionospheric anomalies around the time of the Colima $M=7.8$ earthquake of 21 January 2003, // Ann. Geophys., 2006. - v. 24 - p. 835. Saradjian, M. R., Akhoondzadeh, M. Thermal detection anomalies before strong earthquakes ($M > 6.0$) using interquartile, Kalman filter and wavelet methods, // Natural Hazards Earth System Sciences, 2011. - v. 11 - p. 1099. Saradjian, M. R., Akhoondzadeh, M. Thermal detection anomalies before strong earthquakes ($M > 6.0$) using interquartile, Kalman filter and wavelet methods, // Natural Hazards Earth System Sciences, 2011. - v. 11 - p. 1099. Wu, H. C., Tikhonov, I. N. Jet streams anomalies as possible short-term precursors of earthquakes with $M > 6.0$, // Research in Geophysics, Special Issue on Earthquake Precursors, 2014a. - v. 4 - no. 1 - p. 12. Wu, H. C., Tikhonov, I. N. Jet streams anomalies as possible short-term precursors of earthquakes with $M > 6.0$, // Research in Geophysics, Special Issue on Earthquake Precursors, 2014a. - v. 4 - no. 1 - p. 12. Wu, H. C., Tikhonov, I. N. The Earthquake Prediction Experiment on the Basis of the Jet Stream's Precursor // 2014 AGU Fall meeting - Washington, DC: AGU., 2014b. - p. 12. Wu, H. C., Tikhonov, I. N. The Earthquake Prediction Experiment on the Basis of the Jet Stream's Precursor // 2014 AGU Fall meeting - Washington, DC: AGU., 2014b. - p. 12. Zhang, W., Zhao, J., Wang, W., Ren, H., Chen, L., Yan, G. A Preliminary evaluation of surface latent heat flux as an earthquake precursor, // Natural Hazards Earth System Sciences, 2013. - v. 13 - p. 2639. Zhang, W., Zhao, J., Wang, W., Ren, H., Chen, L., Yan, G. A Preliminary evaluation of surface latent heat flux as an earthquake precursor, // Natural Hazards Earth System Sciences, 2013. - v. 13 - p. 2639.