Critical Measurements of the Large (Ms = 7.1) Santa Cruz Mountains, California Earthquakes under Urgent Conditions

这笔拨款将通过SGER项目资助急需的支持，以支付圣克鲁斯山脉（Santa Cruz Mountains）大地震（Ms=7.1）现场测量、数据整理、数据分析以及向科学界快速分发这些信息的关键费用。在1989年10月17日主震发生之前，首席研究员在两次大前震的基础上，在主震区域安装了四个数字强震记录仪，记录了宝贵的强震数据。这笔拨款将支持这项工作，并使后续的余震系列分析成为可能。这项工作直接适用于国家减少地震灾害计划。

This grant will fund urgently needed support through the SGER program to cover the critical costs for field measurements of the large (Ms=7.1) Santa Cruz Mountains earthquake, for data reduction, data analysis and for rapid distribution of this information to the scientific community. Prior to the main shock on October 17, 1989, the principal investigator, on the basis of two large foreshocks, installed four digital strong ground motion recorders in the area of main shock which recorded invaluable strong motion data. This grant will support that work and enable follow-on analysis of the aftershock series. This work has direct application to the National Earthquake Hazard Reduction Program.