Japan Geoscience Union Meeting 2018

Presentation information

[EE] Oral

M (Multidisciplinary and Interdisciplinary) » M-IS Intersection

[M-IS03] Interdisciplinary studies on pre-earthquake processes

Thu. May 24, 2018 10:45 AM - 12:15 PM A09 (Tokyo Bay Makuhari Hall)

convener:Katsumi Hattori(Department of Earth Sciences, Graduate School of Science, Chiba University), Jann-Yenq Liu(Institute of Space Science, National Central University, Taiwan), Dimitar Ouzounov(Center of Excellence in Earth Systems Modeling & Observations (CEESMO) , Schmid College of Science & Technology Chapman University, Orange, California, USA, 共同), Qinghua Huang(Peking University), Chairperson:Hattori Katsumi, Huang Qinghua(Peking University)

11:00 AM - 11:15 AM

[MIS03-08] Multi-disciplinary observations of Pre-earthquake processes in support of earthquake prediction studies

*Dimitar Ouzounov1, Sergey Pulinets2, Katsumi Hattori3, Patrick Taylor4 (1.Center of Excellence in Earth Systems Modeling & Observations (CEESMO) , Schmid College of Science & Technology Chapman University, Orange, California, USA, 2.Space Research Inst., Russian Acad. of Sci, 84/32 Profsoyuznaya , Moscow, 117997, Russia, 3.Department of Earth Sciences, Chiba University, Inage, Chiba, 263-8522, Japan, 4.NASA GSFC, Geodesy and Geophysics Laboratory, Greenbelt, MD 20771, USA)

Keywords:earthquake, precursors, prediction

We summarized a multi-year research effort on several wide-ranging observations of pre-earthquake processes. Based on space and ground data we present new results relevant to the existence of pre-earthquake signals. Recent large magnitude earthquakes in Asia, Central America and Europe have shown the importance of these various studies in the search for earthquake precursors either for forecasting or predictions. Some new results were obtained from modeling of the atmosphere-ionosphere connection and analyses of seismic records (foreshocks /aftershocks), geochemical, electromagnetic, and thermodynamic processes related to stress changes in the lithosphere, along with their statistical and physical validation. This cross - disciplinary approach could make an impact on our further understanding of the physics of earthquakes and the phenomena that precedes their energy release. For recent events, we present results of synergistic observations of pre-earthquake activates related to 2015 Nepal M7.8, 2015 Chilean M8.5 and 2017 Mexican M8.2 earthquakes and the potential impact of these interdisciplinary studies to earthquake predictability. A detail summary of our approach will be subsequently published in a new volume as part of the AGU/Wiley Geophysical Monograph series and is intended to show the variety of parameters seismic, atmospheric, and geochemical and the historical perspective of this research and could bring this topic to a broader geosciences community.