电脑模拟能够预测未来地震

《电脑模拟能够预测未来地震》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、电脑模拟能够预测未来地震　　ComputerSimulationsMightPredictFutureEarthquakes　　GeologistssaytheyknewalargeearthquakewascominginSouthAsia，buttheydidnotknowwhen.　　TheHimalayanMountainswereformedsome150millionyearsagoafterthelandmassthatisnowIndiabrokeofffromAntarctica，driftednorthandcollidedwi

2、ththerestofAsia.　　ScientistssaytheSouthAsianlandmassisstillmovingtowardsNorthAsiaattherateofabouttwocentimetersayear，makingtheareapronetoearthquakes.　　HarleyBenzisaresearcherattheGeologicalSurveyearthquakeinformationcenter.　　HarleyBenz：It’sabroadzoneofdeformation，andacrossthis

3、zonethatextends1，000kilometers，youhaveawholeseriesoffaultsandfolds.　　Anotherearthquake-proneregionisalongthe1300kilometerSanAndreasFaultinCalifornia.　　ItisherethatJohnRundle，aphysicsandengineeringprofessorattheUniversityofCaliforniaatDavis，istestinghisearthquakecomputersimulat

4、ion.　　JohnRundle：Youtakethesesimulations，youturnthemon，yourunthemandyoudoasgoodajobaspossibleinsimulatingorrepresentingthepasthistoryofactivityonthefaultsystems.　　Dr.Rundleusesinformationfromtoolssuchasglobalpositioningsatellitestocreateavirtualrealitymodelofthousandsofyearsof

5、earthquakeactivityalongtheSanAndreasFault.Hesaysthatinthefuture，thiscomputermodelmaybeabletopredictsomeearthquakesjustashurricanepathsarenowforecast.　　JohnRundle：Ourgoalistobeabletomakeforecastsonthatkindoftimescaleandthentoimproveittothepointwherewe’reactuallyabletoseetheprep

6、arationprocessinthemonthsandyearortwoleadinguptoalargeearthquake.　　Dr.Rundlesaysthatseveraldecadesfromnow，onethirdoftheworld’spopulationcouldliveinseismicallyactiveregions.Hehopesthatbythen，thevirtualrealitysoftwarewillhelppreventtheheavylossoflifecausedbytragediessuchastheSou

7、thAsiaearthquake.　　LetaHongFincher，VOAnews.　　landmassn.大陆　　Antarctican.南极洲　　deformationn.变形　　simulationn.模拟　　seismicallyadv.地震地