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1、2007Pu’er,ChinaEarthquakeRMSEventReportTMRiskManagementSolutions概述2007年6月3日,当地时间凌晨05时34分56.8秒,与缅甸,老挝和越南接壤的云南省发生Mw6.3级地震(Ms6.4级)。中国地震局发布震中位于东经101º06’,北纬23º00’。震源深度仅5公里(3英里)。尽管此次地震周边各县都有震感,位于震中的普洱市宁洱县受灾最为严重。震后的数小时内发生多次余震。由于受害地区为经济落后的偏远山区,多数房屋陈旧,抗震性能低。据最新政府统计,地震造成3人死亡,400多人受伤,多处房屋坍塌。通信,供水以及当地基础设施均
2、遭到严重破坏。美国RMS的合作伙伴中国地震局工程力学研究所震后立刻奔赴现场,展开灾情调查。现场工作队提供了本次地震的特性报告以及对于民用,商业和公共房屋的损失状况的评估。中国地震局工程力学研究所评估此次地震造成的直接经济损失为19.1亿元(2.5亿美元)。其中10.4亿元来自民用房屋损失。RMS公司预测的民用房屋的损失为8.8亿元(1.15亿美元),和评估损失具有很高吻合。工程力学研究所和RMS的损失评估均被列入本报告中。12007Pu’er,ChinaEarthquakeCopyright©2007RiskManagementSolutions,Inc.AllRightsReser
3、ved.RMSEventReportEXECUTIVESUMMARYOnSunday,June3,2007at5:34:58a.m.localtime,amomentmagnitude(Mw)6.3earthquakestrucktheYunnanProvinceofChina,nearthebordersofMyanmar,Laos,andVietnam(seeFigure1).TheChinaEarthquakeAdministration(CEA)releasedanepicenterlocationof23º00’N,101º06’Ewithashallowdepthof5k
4、m(3mi).Whiletheeventwasfeltacrossthesurroundingcounties,theregionworsthitwasNing’erCounty,inthecityofPu’er.Numerousaftershockswererecordedintheregionwithinafewhoursofthemainevent.Theimpactedregionisamountainous,remoteareathathasbeenslowinitseconomicdevelopment.Asaresult,manyolderbuildingswithli
5、ttleornoearthquake-resistantcapacitystillexist.Somebuildingscollapsedfollowingtheearthquake,killing3peopleandinjuringover400more,accordingtothelatestgovernmentstatistics.Communications,watersupplies,andlocalinfrastructureintheareawerealsoseverelyaffected.RMS’earthquakemodeldevelopmentpartner,th
6、eInstituteofEngineeringMechanics(IEM)oftheCEA,surveyedthedamagefromthisearthquakewithinafewdaysofthemainshock.IEM’sreconnaissanceteamhasprovidedinformationontheevent’sseismicnature,aswellasthedamagetoresidential,commercial,andpublicfacilities.IEMestimatesalossof1.91billionRMB($2501million),1.03
7、5billionRMB($135million)ofwhichistoresidentialproperties.RMS®modeledestimatesofresidentiallossbasedonthenewRMSChinaEarthquakeModelare880millionRMB($115million),showingaclosecorrelationtotheobservedlosses.IEM’s2observations,alongwi