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Doctor Yingcai Zheng from the University of Houston, USA, visited IGCEA for academic exchange

2018/11/16 16:06:52

At the invitation of Researcher Shengli Ma of the Institute of Geology, China Earthquake Administration, Dr Yingcai Zheng from the University of Houston, USA, visited IGCEA on November 12, 2018, and gave academic presentations entitled ‘Transient Fluid Pressure Surge in a Fluid-Filled Fracture and Its Implication in Earthquake Dynamic Triggering’ and ‘Why deep earthquakes have so many non-double-couple components?’.
Dr. Yingcai Zheng is currently an assistant professor in the Department of Earth and Atmospheric Sciences at the University of Houston. His main research interests are high-resolution seismic imaging studies, global seismology, and planetary seismology. He has published many academic papers in internationally renowned academic journals such as Science, GJI, JGR and GRL. In 2015, he was awarded the J. Clarence Karcher Award by the Society of Exploration Geophysicists.
Dr. Yingcai Zheng presented on the transient fluid pressure fluctuations of fluid-filled cracks and their application in seismic dynamic triggering. His results demonstrated that transient seismic waves in the fluid region triggered seismic activity, and explained the role of low-frequency seismic waves and the correlation between induced hydrological changes and triggered seismic activity. In the presentation on deep source earthquakes, he explained the reasons for the existence of many non-double-couple earthquakes in deep-seismic earthquakes.