简介：一个一般神经网络基于代替结构的computationally集中的地点特定的地震分析的潜力在这份报纸被建议了的方法论。方法论的基本框架由组成一feed有一隐藏的层的神经网络算法完成代表一个区域和土壤扩大的地震潜力的前面的背繁殖。方法论在印度与相应于德里城市的参数被实现并且验证。为这个目的，充分的理由运动由于考虑从喜玛拉雅的带的中央地震差距发源用的地震在德里为一个选择地点在基岩水平被产生必要象geotechnical数据一样地质。表面水平地面运动和相应地点特定的反应系列被使用一个一个维的相等的线性波浪繁殖模型获得。光谱加速值被看作一个目标参数验证方法论的性能。执行验证建议方法论的数字研究证明错误在预言光谱加速价值在为设计目的可接受的限制以内。方法论在它能被用于另外的地震地脆弱的区域并且能被包括取决于的更多的参数也更新的意义是一般的在这个题目最先进。

简介：ＴｈｅＢｅｉｊｉｎｇｎｅｔｗｏｒｋｏｆｄｉｇｉｔａｌｇｅｏｍａｇｎｅｔｉｃｐｕｌｓａｔｉｏｎｏｂｓｅｒｖａｔｏｒｉｅｓＪｕｎ－ＣｈｅｎｇＺＨＯＵ（周军成）；Ｋｅ－ＬｉＨＡＮ（韩克礼）；ＹｕｅＬＵ（鲁跃）（ＩｎｓｔｉｔｕｔｅｏｆＧｅｏｐｈｙｓｉｃｓ，Ｓ...

简介：与在中国的经济的快速的开发，很快变化的地震网络过时的人或物，因为仪器，技术系统和网络密度的能力发达国家正在接近那些，观察数据过时的人或物的大数量积累。怎么把这些资源用于经济建设和公共安全成为了值得学习的一个重要问题。以便改进地震预言和地震紧急情况反应，它在这篇论文被建议那个提取珍贵先锋信息，改善地震rapid报导能力和报导的延长快速的紧张工作是关键问题。集成网络资源，造统一了地震监视网络是的标准和多功能建立一个公共安全服务平台和地震观察资源愿望的前提显著地作出贡献到工程，海洋，气象学，和环境保护的领域。因此，地震网络的开发的未来方向正在探索监视资源，提高独立革新，构造一个技术平台并且扩大服务领域。

简介：In2004,China’sdigitalseismicobservationnetworkprojectbegantodeploy40setsYRY-4four-componentboreholestrainmetersinordertomonitorearthquakepreparationprocess.Thepaperdescribesobservedsolidtidalstraindiscretenessandtidalfactoranisotropy,analyzesthereliabilityofobservationaldataanddiscussesthecauseforthisphenomenon.Aftergettingridofinterferences,thenetwork,intwoyearspractice,hasobservedseveralpre-seismicstrainanomaliesatstationsclosetoepicentersespeciallyintheWenchuanMS8.0megaquake.Itshowsthatthisboreholestrainmeternetworkiscapableofmonitoringseismogenicprocess.

简介：ThedetailsofseismicmonitoringnetworkandseismologicalworkinThailand,includingsomeinformationonfeltearthquakesthatoccuredfrom2000toAugust2001,arereportedhere.

简介：Inthispaper,ahistoricalreviewoftheseismicnetworkofVietnamandtheabilityofthenetworktomonitorearthquakesispresented.TheseismicactivityofVietnamasacountryofhighseismictiyinthelastcenturyandsincethebeginningofthenewcenturyisdescribed.ThecurrentstateofseismologicalresearchinVietnamandcooperationwithinstitutionsoutsideofVietnamisoutlined.

简介：RegionalinternationalcooperationinseismicdataexchangeandjointseismologicalanalysisintheAsian-Pacificregionsplaysanimportantroleinthereductionofearthquakedisastersintheseregionsaswellasthedevelopmentofglobalseismology.Basedontheup-to-datedevelopmentofnewtechnologyanddigitalbroadbandseismology,wediscussedtheAsianseismologicalCommission(ASC)Proposal"Asian-PacificSeismologicalDataCenter",Weappliedtheconceptofvirtualseismologicalnetwork(OttemoellerandHavskov,1999)totheproposedASCdataexchangeprogram.Basedonthedevelopmentofdigitalseismology,weintroducedaconceptof"modernearthquakecatalogues"whichincludenotonlylocationparametersandmagnitudesasintheconventionalearthquakecataloguesbutalsonewparametersofearthquakessuchasCMT,radiatedenergy,STF,andearthquakeruptureprocess,WerecommendedawebbasedregionalinternationaldataexchangeprogrambetweentheASCmemberswiththepurposeofformingavirtualAsian-Pacificseismologicalnetwork,andtheinterpretationandanalysisofbroadbanddigitalseismicwaveformsconductedatdistributed"datacenters".

简介：ThehydrogeochemicalobservationstationnetworkforearthquakepredictioninChinaisdiscussedindetailinthispaper.Itincludesthefollowing:a)theprocessofstationnetworkestablishmentandtheprincipleofnetworkdeployment;b)thecharacteristicsofhydrogeochemicalobservationpoints’deploymentandtheconditionsandtypesofthesepoints;c)itemsandinstrumentsofseismo-hydrogeochemicalobservation,etc.Inaddition,themonitoringcapacityandpredictionefficiencyofthenetworkarealsodiscussed.

简介：TheGlobalPositioningSystem(GPS)isanewmethodtomonitorthecrustaldeformationforearthquakeprediction.Nowafour-dimensionalcrustaldeformationmonitoringnetworkapplyingGPStechniqueshasbeenestablishedinNorthChina,whichisanimportantseismicmonitoringarea.Resultswithhighprecisionhavebeenachievedinthefirstmeasurementsinceaseriesofadvancedmethodsandmeasureswereadopted,andthusagoodfoundationhasbeenlaidforfutureresearchesonearthquakepredictionandgeodynamics.

简介：Ｔｈｒｅｅ　ｄｉｍｅｎｓｉｏｎａｌ　ｖｅｌｏｃｉｔｙ　ｓｔｒｕｃｔｕｒｅ　ｂｅｎｅａｔｈ　ｔｈｅ　Ｋｕｎｍｉｎｇ　Ｔｅｌｅｍｅｔｅｒｅｄ　Ｓｅｉｓｍｉｃ　Ｎｅｔｗｏｒｋ（王椿镛）（王溪莉）（颜其中）Ｔｈｒｅｅｄｉｍｅｎｓｉｏｎａｌｖｅｌｏｃｉｔｙｓｔ...

简介：Basedonanalysesofthespatio-temporalevolutionarycharacteristicsofteleseismicresponserecordedbyFu-jiansubsurfacefluidnetworkandincombinationwithearthquakeshappenedinFujianprovinceduringthesameperiod,thispaperpointsoutthatthestep-likerisingofwaterlevelafterdistantearthquakesmayincludesomeregionalstressfieldinformation,andtheareawherewaterlevelstep-likerisescouldbethepositionthatthestressconcentratedonandwherethefutureearthquakeswouldoccur.Ifcombinedwithotherimpendingprecursors,thelocationoftheeventsmaybepredictedtoacertaindegree.

简介：这份报纸为大楼描述一套所在地的地震安全评估系统，它基于一个网络平台被开发。嵌进从地震以后的地根据食物被完成的量的研究结果的系统工作，第2部分：对大楼的安全评价，GB18208.2-2001,并且进一步被开发进一个容易使用的软件平台。系统针对允许在地点上设计专业版，民用的engineeingtechnicists或影响地震的牺牲品在地震以后通过一个网络估计损坏大楼。作者深入地学习了函数结构，安全评估模块的进程设计，和系统的层次分析算法模块，并且开发了一般体系结构设计，开发技术和系统的数据库设计。象层次建筑学设计和JavaEE那样的技术在系统发展被使用，并且MySQL5在数据库发展被采用。结果是损坏和安全的信息收集，安全评估，和输出的完全的评估进程度，以及询问和识别大楼的统计分析。系统能在分享专家起一个积极作用地震以后的经验和一个地震领域上的大楼的支持的安全评估。

简介：FinemeasurementshavebeenconductedtotemperaturesandtheirgradientsofsixwellsoftheJinshaRiverGroundwaterObservationalNetwork.Theresultsshowthattheinfluencedepthsofsunradiationheatare50mto125m,averagetemperaturegradientsinthewellsrangefrom0.11to2.81℃/hmandmostare1～2℃/hm,andthetemperaturegradientsonvarieddepthsectionsofonewellarehighlychangeable.Lithologyofstrataandtheirintegrity,particularlyhigh-anglecrashedfaultzones,haveimposedmajoreffectsontheinfluencedepthsofsunradiationheatandtemperaturegradientsofthewells.Themicrodynamiccharacteristicsofwatertemperature,suchascoseismiceffects,tidaleffectsandanomaliesofthewellspriortoearthquakes,probablydepend,toalargedegree,onthetemperaturegradientsofthedepthsatwhichthewatertemperaturesensorsaresettled.

简介：Theauthorsproposedamethodforobtaininghigh-qualityaccelerationseismogramsfromvelocitytypeseismogramsofdigitalSeismographicnetwork,andtookasanexampletheanalysisandprocessingoftheseismogramsofasameearthquakethatwassimultaneouslyrecordedbyvelocityseismographCTS1-EDAS24andstrongmotionseismographEST-Q4128installedinJixianStation,Tianjin.Thecalculationstepsandtheprocessingmethodhavebeendiscussedindetail.Fromtheanalysisandthecomparisonoftheobtainedresults,itisconcludedthattheproposedmethodissimpleandeffective,anditbroadenstheapplicationofdigitalseismographicnetwork.

简介：WeuseddatafromtheXinjiangDigitalSeismicNetworkandPSD(PowerSpectralDensity)methodtoperformnoiselevelassessmentforsixstations.Wecalculatedthemedianofthepowerspectraldensitytoevaluatethenoiselevelofdifferentstations.Afterthecomparisonofthepowerspectraldensityofdifferentstationsandtheairgunsignalrecognition,wefoundthatnoiselevelofstationswithrecognizableairgunsourcesignalsislowerthanthatofstationswithoutrecognizablesignals.Thelargestdifferenceofthepowerspectraldensityis40dB,andthesmallestis15dB.Finally,wefoundthatthefailuretorecognizethesignalofairgunsourcesatsomestationsisduetothenoiselevel.

简介：Using116earthquakesoverML3.8intheInnerMongoliaregionfrom2008to2015,thelocalearthquakemagnitudeMLandsurfacewavemagnitudeMSareremeasured.Basedonnormlinearregression(SR1andSR2)andnorm(OR)orthogonalregressionmethod,weestablishedtheconversionrelationshipbetweenMLandMS.TheresultsweretestedwithGaussiandisturbance.Theresultshowsthattheorthogonalregressionmethod(OR)resulthasthebestfittingcurve,andtheconversionrelationisMS=0.96ML-0.10.ThedifferencebetweenourresultandGuoLücan's(MS=1.13ML-1.08)maybecausedbyregionaltectoniccharacteristics.MSInnerMongoliavalueissignificantlyhigherthantheMSempiricalvalue,withanaveragedifferenceof0.23,thedifferencedistributionofempiricalrelationandtherectifiedrelationisintherangeof0.2-0.3.

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简介：Thisstudyinvestigatesdata-processingmethodsandexaminestheprecipitationeffectongravitymeasurementsattheDaligravitynetwork,establishedin2005.High-qualitygravitydatawerecollectedduringfourmeasurementcampaigns.Tousethegravitydatavalidly,somegeophysicalcorrectionsmustbeconsideredcarefully.Wefirstdiscussdata-processingmethodsusingweightedleastsquaresadjustmentwiththeconstraintoftheabsolutegravitydatum.Resultsindicatethatthegravityprecisioncanbeimprovedifallabsolutegravitydataareusedasconstraintsandifcalibrationfunctionsofrelativegravimetersaremodeledwithintheobservationfunction.Usingthisdata-processingscheme,themeanpointgravityprecisionisbetterthan12lgal.Afterdeterminingthebestdata-processingscheme,wethenprocessthegravitydataobtainedinthefourmeasurementcampaigns,andobtaingravitychangesinthreetimeperiods.Resultsshowthatthegravityhasaremarkablechangeofmorethan50lgalinthefirsttimeperiodfromApr–Mayof2005toAug–Septof2007.Tointerpretthelargegravitychange,ameanwatermasschange(0.6minheight)isassumedintheETOPO1topographicmodel.Calculationsoftheprecipitationeffectongravityshowthatitcanreachthesameorderoftheobservedgravitychange.ItisregardedasamainsourceoftheremarkablegravitychangeintheDaligravitynetwork,suggestingthattheprecipitationeffectongravitymeasurementsmustbeconsideredcarefully.

简介：ThispapersummarizesthelayoutoftheYunnanseismicELFelectromagneticobservationnetwork,siteselection,ELFelectromagneticinstrumentsystem,dataprocessingandotherconstruction.TheprincipleandmethodofusingtheELFelectromagneticwavetechniquetomonitorandpredictearthquakesareexpounded.ThelongtermmonitoringofELFelectromagneticfieldsiscarriedoutintheYunnanearthquakepronearea,andatthesametime,thechangesinelectricalparametersandspatialelectromagneticfieldsoftheregionalcrustalmediumstructurearemonitored.Thefunctionssuchasautomatic,quasirealtime,remotemonitoring,networkmonitoring,dataprocessingspecialization,dataservice,datasharingandindustrializationoftheELFelectromagneticobservationdatahavebeenrealized.Inordertocapturethedeepelectromagneticprecursoryinformationoftheearthquakes,serviceforearthquakepredictionresearch,whichhasbroadapplicationprospectsanddevelopmentpotential.ThroughtheresearchoftheseismicityofYunnaninthetrialrunperiodoftheproject,thepreliminaryresultsoftheextremelowfrequencyelectromagneticobservationoftheYunnanearthquakeinrecentyearsaregiven.TheelectromagneticprecursorsandtheelectromagneticeffectsoftheYangbiearthquakearerecorded.Inthe3-monthperiodbeforetheearthquake,thepowerspectrumoftheelectricandmagneticfields,theapparentresistivityandtheimpedancephaseintheobservedsignalsareallabnormal,andgraduallyincreasedwithtime.Themaximumvalueisreached20daysbeforetheearthquake,andanearthquakeoccurswhenthechangeisrestoredtonormal.