中国科学院研究生院 地学院学术报告 时间：2010年11月5日(星期五)上午10:00 地点：计算地球动力学实验室会议室 报告人：钮凤林 （美国Rice大学地球科学系副教授，地震学家） 题目： Seismic Imaging of Fault Zone Processes on the San Andreas Fault near Parkfield 报告内容： Earthquakes are caused by the sudden release of stresses along faults. Plate tectonics describes the long-term strain accumulation, but the specifics of stress releasewhat ultimately leads to fault failure and how failure manifests itself (as a small or large earthquake, as aseismic slip, or as non-volcanic tremor)- are still not well understood. Current models of earthquake recurrence that assume constant loading rates and fixed fault strength are far too simplistic to describe exciting new observations of time-varying fault behavior. From among many examples, we present a few recent discoveries of temporal changes in fault zone processes near Parkfield, CA. These discoveries were made possible by advanced borehole seismic recordings from the High-Resolution Seismic Network and the San Andreas Fault Observatory at Depth (SAFOD) drill holes. 报告人简介： 1988 年毕业于中国科学技术大学并获理学学士学位， 1997 年获得东京大学地球物理学博士学位，现为美国 rice 大学地球科学系副教授，地震学家，曾获得美国国家自然基金会（ NSF ） CARRER AWARD 奖。主要研究方向为下地幔和地核的地震成像、核幔边界地震结构、全球的地震成像、地震各向异性的深度分布等，其在 nature ， GRL ， JGR ， BSSA 等杂志上发表近 70 篇文章。 报告者的相关Nature论文
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