Collaborative Research: Wide-Angle Reflection Profiling and Potential Field Modeling of the Eastern Tennessee Seismic Zone

合作研究：田纳西州东部地震带的广角反射剖面和位场建模

• 批准号: 9628615
• 负责人: Robert Hawman
• 金额: $ 5.26万
• 依托单位: University of Georgia Research Foundation Inc
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1996
• 资助国家: 美国
• 起止时间: 1996-08-01 至 1998-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9628615&HistoricalAwards=false
• 关键词: Collaborative; Research; Wide; Angle; Reflection

9628615 Hawman This research involves seismic and potential-field investigations to improve resolution of seismogenic crustal features in basement rocks below the Paleozoic thrust sheets in eastern Tennessee. The Eastern Tennessee Seismic Zone (ETSZ) is a pronounced zone of earthquake activity in a region 300 by 50 km with earthquake hypocenters extending from 5 to 25 km in depth. The zone produces the second highest release of seismic strain energy east of the Rocky Mountains and is unique in that it is associated with regional-scale potential-field (gravity and magnetic) anomalies. Seismic recording of quarry blasts will be done to test the feasibility of this technique for the study of crustal structure. Concurrently, analysis and inversion of existing potential field data will be done. Seismic and potential-field data analysis will be integrated to provide a better understanding of structures responsible for earthquakes within the region and outline the best approach for further efforts. This research is a component of the National Earthquake Hazard Reduction Program. ***

小行星9628615 这项研究涉及地震和潜在的领域调查，以提高分辨率的地震地壳功能的基岩下的古生代逆冲席在田纳西州东部。 东田纳西地震带（ETSZ）是一个明显的地震活动区，面积为300 × 50 km，震源深度为5 ~ 25 km。 该区域产生了落基山脉以东第二高的地震应变能释放，其独特之处在于它与区域规模的位场（重力和磁力）异常有关。 将对采石场爆炸进行地震记录，以检验这项技术用于研究地壳结构的可行性。 同时，对现有位场资料进行分析和反演。 将把地震和势场数据分析结合起来，以便更好地了解造成该区域地震的结构，并概述进一步努力的最佳办法。 这项研究是国家地震减灾计划的一个组成部分。 ***