Southern California Earthquake Center

这项来自南加州大学的建议， 与加州理工学院合作， 加州大学洛杉矶分校 加州圣巴巴拉分校、加州大学旧金山分校 迭戈，加州大学，圣克鲁斯，拉蒙特-多尔蒂 哥伦比亚大学地质观测站和美国 地质调查局，要求资金建立一个科学和 技术中心命名为南加州地震中心。 该中心的科学主任将是Keiiti阿基教授 该中心的执行主任将是托马斯教授 亨利 该中心的目标是了解 地震，制定一个框架， 信息转化为社会减灾 效益，实现了一个时空的原型应用 南加州的相关概率危险分析， 并在地震发生前描述地震破裂的特征 通过破裂数值模拟、地质野外填图 断层几何学、三维断层的地下成像 表面，以及理论和统计的应用 断层破裂的物理学方法。 该方法是 关键在于主模型的开发，这是一个框架， 其中地质学、大地测量学、地球物理学和地震学 有关加州南部地震的信息将 为了发展一个时空 该区域的相关概率危险分析， 用于预测强地面运动的水平。 该中心的活动可分为四个主要领域： 数据库维护，建模与模型构建，模型 模型的维护、解释和使用。 研究 将组织各小组， Master Model。 核心活动包括： 实时地震数据采集数据中心 存档和分发，以及数据检索服务;故障- 具体的地球物理、大地测量和地质实地研究; 分析现有和新的短期网络数据，以改善 活动断层的划分;物理模型的建立 地震过程的物理基础， 特征地震模型;震源、路径、 强地面运动预测的场地效应;区域 构造，并开始对试点项目进行概念研究 易液化地区岩土工程项目和/或 滑坡 大部分工业化国家生活在地震多发区 环太平洋地区和阿尔卑斯-喜马拉雅带等地区。 地震带通常提供最适宜的气候 和最丰富的自然资源。 因此如 这些地区的人口密度和财富集中度不断增加 地震风险增加。 地震灾害 缓解对社会越来越重要--1989年的《洛马》 仅普列塔地震就造成了70多亿美元的损失， 死亡 只有通过了解过程， 预测何时何地潜在的破坏性 地震可能会发生。 该中心将促进学前教育的活动， 教育和人力资源开发。

This proposal from the University of Southern California, in cooperation with the California Institute of Technology, the University of California, Los Angeles, the University of California, Santa Barbara, the University of California, San Diego, the University of California, Santa Cruz, Lamont-Doherty Geological Observatory of Columbia University, and the U.S. Geological Survey, requests funds to establish a Science and Technology Center entitled Southern California Earthquake Center. The Science Director of the Center will be Professor Keiiti Aki and the Executive Director of the Center will be Professor Thomas Henyey. The goal of the Center is to understand the physics of earthquakes, to develop a framework to integrate earthquake information of translation into hazard mitigation for societal benefit, to achieve a prototype application of a time-space dependent probabilistic hazard analysis for southern California, and to characterize earthquake ruptures before their occurrence through numerical modeling of rupture, geological field mapping of fault geometry, subsurface imaging of three-dimensional fault surfaces, and application of theoretical and statistical approaches to the physics of fault rupture. The approach is keyed to the development of a Master Model, which is a framework in which geologic, geodetic, geophysical, and seismological information pertinent to earthquakes in southern California will be integrated for the purpose of developing a time-space dependent probabilistic hazard analysis of the region which may be used for predicting the levels of strong ground motions. The Center's activities can be categorized into four major areas: data base maintenance, modeling and model construction, model maintenance, and interpretation and use of the models. Research groups will be organized to develop each technical component of the Master Model. Core activities include: establishment of a data center for real-time seismic data acquisition, data archiving and distribution, and data retrieval service; fault- specific geophysical, geodetic, and geologic field studies; analysis of existing and new short-period network data to improve the delineation of active faults; development of a physical model of the earthquake process to establish a physical basis for the characteristic earthquake model; investigation of source, path, and site effects for strong ground motion prediction; regional tectonics, and commencement of a conceptual study for a pilot geotechnical project in an area prone to liquefaction and/or landsliding. Much of the industrialized world lives in earthquake prone regions such as the Pacific Rim and the Alpine-Himalayan belt. Earthquake belts generally provide the most hospitable climates and the greatest abundance of natural resources. Thus, as population densities and concentrations of wealth grow in these areas, the earthquake risk increases. Earthquake hazard mitigation is increasingly important to society - the 1989 Loma Prieta earthquake alone caused over $7 billion in damage and 66 deaths. Only through understanding the process can reliable forecasts be made of when and where potential destructive earthquakes may occur. The Center will stimulate enhanced activity in precollege education and in the development of human resources.