小波域反演确定区域地震震源机制
摘要
研究中小强度地震的震源机制解在地震学研究中有着重要的意义,对于中小强度地震,通常根据区域范围内的记录,利用P波初动,或者频率域的面波谱,或者时间域的波形反演等方法确定震源机制解.本文将小波域反演方法应用于确定区域地震震源机制,利用不同尺度的小波系数可以提供更多的约束信息.反演得到美国加州地区三个地震的震源机制,与哈佛大学矩心矩张量解(CMT)、美国地质调查局(USGS)等公布的结果相比,较为一致.该方法可用于利用区域范围内记录,确定中小地震震源机制,特别是快速求解大地震后的强余震震源机制.
引文
1Kubo A,Fukuyama E,Kawai H,et al.NIED seismic moment tensor catalogue for regional earthquakes around Japan:Quality test and application.Tectonophysics,2002,356:23-48
2Braunmiller J,Kradolfer U,Baer M,et al.Regional moment tensor determination in the European-Mediterranean area—Initial results.Tectonophysics,2002,356:5-22
3陈颙.震源机制一致性作为描述地震活动性的新参数.地球物理学报,1978,21:140-159
4罗艳,倪四道,曾祥方,等.汶川地震余震区东北端一个余震序列的地震学研究.中国科学D辑:地球科学,2010,40:677-687
5Dziewonski A M,Woodhouse J H.An experiment in systematic study of global seismicity:Centroid-moment tensor solutions for201moderate and large earthquakes of1981.J Geophys Res,1983,88:3247-3271
6Dziewonski A M,Chou T A,Woodhouse J H.Determination of earthquake source parameters from waveform data for studies of global and regional seismicity.J Geophys Res,1981,86:2825-2852
7Sipkin S A.Estimation of earthquake source parameters by the inversion of waveform data:synthetic waveforms.Phys Earth Planet Inter,1982,30:242-259
8Kawakatsu H.Automated near-realtime CMT inversion.Geophys Res Lett,1995,22:2569-2572
9Scott D R,Kanamori H.On the consistency of moment tensor source mechanisms with first-motion data.Phys Earth Planet Inter,1985,37:97-107
10Patton H.Reference point equilization method for determining the source and path effects of surface waves.J Geophvs Res,1980,85:821-848
11Kanamori H,Given J.Use of long-period surface waves for rapid determination of earthquake source parameters.Phys Earth Planet Inter,1981,27:8-31
12Beck S L,Patton H J.Inversion of regional surface-wave spectra for source parameters of aftershocks from the Loma Prieta earthquake.Bull Seismol Soc Amer,1991,81:1726-1736
13Romanowicz B,Dreger D,Pasyanos M,et al.Monitoring of strain release in central and northern California using broadband data.Geophys Res Lett,1993,20:1643-1646
14Tinker M A,Beck S L.Inversion of regional surface-wave spectra for source parameters of aftershocks from the1992Petrolia earthquake sequence.Bull Seismol Soc Amer,1995,85:705-715
15Thio H K,Kanamori H.Moment-tensor inversions for local earthquakes using surface waves recorded at terrascope.Bull Seismol Soc Amer,1995,85:1021-1038
16Dreger D S,Helmberger D V.Source parameters of the Sierra Madre earthquake from regional and local body waves.Geophys Res Lett,1991,18:2015-2018
17Walter W.Source parameters of the June29,1992little skull mountain earthquake from complete regional waveforms at a single station.Geophys Res Lett,1993,20:403-406
18Zhao L S,Helmberger D V.Source estimation from broadband regional seismograms.Bull Seismol Soc Amer,1994,84:91-104
19Ritsema J,Lay T.Rapid sourcem echanism determination of large(Mw≥5)earthquakes in the western United States.Geophys Res Lett,1993,20:1611-1614
20Pasyanos M E,Dreger D S,Romanowicz B.Toward real-time estimation of regional moment tensors.Bull Seismol Soc Amer,1996,86:1255-1269
21Stich D,Ammon C J,Morales J.Moment tensor solutions for small and moderate earthquakes in the Ibero-Maghreb region.J Geophys Res,2003,108:2148-2167
22Scognamiglio L,Tinti E,Michelini A.Real-time determination of seismic moment tensor for the Italian region.Bull Seismol Soc Amer,2009,99:2223-2242
23Ji C,Wald D J,Helmberger D V.Source description of the1999Hector Mine,California,earthquake,part I:Wavelet domain inversion theory and resolution analysis.Bull Seismol Soc Amer,2002,92:1192-1207
24Ji C,Wald D J,Helmberger D V.Source description of the1999Hector Mine,California,earthquake,part II:Complexity of slip history.Bull Seismol Soc Amer,2002,92:1208-1226
25Meyer Y.Orthonormal Wavelets.In:Combes J M,Grossmann A,Tchamitchian P,eds.Wavelets.Berlin:Springer,1989.21-37
26吴庆举,田小波,张乃铃,等.小波变换方法反演接收函数.地震学报,2003,25:601-607
27Yomogida K.Detection of anomalous seismic phases by the wavelet transform.Geophys J Int,1994,116:119-130
28Yamada M,Ohkitani K.Orthonormal wavelet analysis of turbulence.Fluid Dyn Res,1991,8:101-115
29Yao Z X,Harkider D G.A generalized reflection-transmission coefficient matrix and discrete wavenumber method for synthetic seismograms.Bull Seismol Soc Amer,1983,73:1685-1699
30姚振兴,纪晨.时间域有限断层反演问题.地球物理学报,1997,40:691-701
31Wang W M,He Y M,Yao Z X.Complexity of the coseismic rupture for1999Chi-Chi Earthquake(Taiwan)from inversion of GPS observations.Tectonophysics,2004,382:151-172
32Jones L M,Dollar R S.Evidence of basin-and-range extensional tectonics in the Sierra Nevada:The Durrwood Meadows swarm,Tulare county,California.Bull Seismol Soc Amer,1986,76:439-461
33Ichinose1G A,Goldstein P.Inversion of far-regional broadband P waves for the estimation ofsource parameters from shallow depth earthquakes.J Geophys Res,2007,112:B02304,doi:10.1029/2006JB004724
34Dreger D S,Helmberger D V.Determination of source parametersat regional distances with three—Component sparse network data.J Geophys Res,1993,98:8107-8125
2Braunmiller J,Kradolfer U,Baer M,et al.Regional moment tensor determination in the European-Mediterranean area—Initial results.Tectonophysics,2002,356:5-22
3陈颙.震源机制一致性作为描述地震活动性的新参数.地球物理学报,1978,21:140-159
4罗艳,倪四道,曾祥方,等.汶川地震余震区东北端一个余震序列的地震学研究.中国科学D辑:地球科学,2010,40:677-687
5Dziewonski A M,Woodhouse J H.An experiment in systematic study of global seismicity:Centroid-moment tensor solutions for201moderate and large earthquakes of1981.J Geophys Res,1983,88:3247-3271
6Dziewonski A M,Chou T A,Woodhouse J H.Determination of earthquake source parameters from waveform data for studies of global and regional seismicity.J Geophys Res,1981,86:2825-2852
7Sipkin S A.Estimation of earthquake source parameters by the inversion of waveform data:synthetic waveforms.Phys Earth Planet Inter,1982,30:242-259
8Kawakatsu H.Automated near-realtime CMT inversion.Geophys Res Lett,1995,22:2569-2572
9Scott D R,Kanamori H.On the consistency of moment tensor source mechanisms with first-motion data.Phys Earth Planet Inter,1985,37:97-107
10Patton H.Reference point equilization method for determining the source and path effects of surface waves.J Geophvs Res,1980,85:821-848
11Kanamori H,Given J.Use of long-period surface waves for rapid determination of earthquake source parameters.Phys Earth Planet Inter,1981,27:8-31
12Beck S L,Patton H J.Inversion of regional surface-wave spectra for source parameters of aftershocks from the Loma Prieta earthquake.Bull Seismol Soc Amer,1991,81:1726-1736
13Romanowicz B,Dreger D,Pasyanos M,et al.Monitoring of strain release in central and northern California using broadband data.Geophys Res Lett,1993,20:1643-1646
14Tinker M A,Beck S L.Inversion of regional surface-wave spectra for source parameters of aftershocks from the1992Petrolia earthquake sequence.Bull Seismol Soc Amer,1995,85:705-715
15Thio H K,Kanamori H.Moment-tensor inversions for local earthquakes using surface waves recorded at terrascope.Bull Seismol Soc Amer,1995,85:1021-1038
16Dreger D S,Helmberger D V.Source parameters of the Sierra Madre earthquake from regional and local body waves.Geophys Res Lett,1991,18:2015-2018
17Walter W.Source parameters of the June29,1992little skull mountain earthquake from complete regional waveforms at a single station.Geophys Res Lett,1993,20:403-406
18Zhao L S,Helmberger D V.Source estimation from broadband regional seismograms.Bull Seismol Soc Amer,1994,84:91-104
19Ritsema J,Lay T.Rapid sourcem echanism determination of large(Mw≥5)earthquakes in the western United States.Geophys Res Lett,1993,20:1611-1614
20Pasyanos M E,Dreger D S,Romanowicz B.Toward real-time estimation of regional moment tensors.Bull Seismol Soc Amer,1996,86:1255-1269
21Stich D,Ammon C J,Morales J.Moment tensor solutions for small and moderate earthquakes in the Ibero-Maghreb region.J Geophys Res,2003,108:2148-2167
22Scognamiglio L,Tinti E,Michelini A.Real-time determination of seismic moment tensor for the Italian region.Bull Seismol Soc Amer,2009,99:2223-2242
23Ji C,Wald D J,Helmberger D V.Source description of the1999Hector Mine,California,earthquake,part I:Wavelet domain inversion theory and resolution analysis.Bull Seismol Soc Amer,2002,92:1192-1207
24Ji C,Wald D J,Helmberger D V.Source description of the1999Hector Mine,California,earthquake,part II:Complexity of slip history.Bull Seismol Soc Amer,2002,92:1208-1226
25Meyer Y.Orthonormal Wavelets.In:Combes J M,Grossmann A,Tchamitchian P,eds.Wavelets.Berlin:Springer,1989.21-37
26吴庆举,田小波,张乃铃,等.小波变换方法反演接收函数.地震学报,2003,25:601-607
27Yomogida K.Detection of anomalous seismic phases by the wavelet transform.Geophys J Int,1994,116:119-130
28Yamada M,Ohkitani K.Orthonormal wavelet analysis of turbulence.Fluid Dyn Res,1991,8:101-115
29Yao Z X,Harkider D G.A generalized reflection-transmission coefficient matrix and discrete wavenumber method for synthetic seismograms.Bull Seismol Soc Amer,1983,73:1685-1699
30姚振兴,纪晨.时间域有限断层反演问题.地球物理学报,1997,40:691-701
31Wang W M,He Y M,Yao Z X.Complexity of the coseismic rupture for1999Chi-Chi Earthquake(Taiwan)from inversion of GPS observations.Tectonophysics,2004,382:151-172
32Jones L M,Dollar R S.Evidence of basin-and-range extensional tectonics in the Sierra Nevada:The Durrwood Meadows swarm,Tulare county,California.Bull Seismol Soc Amer,1986,76:439-461
33Ichinose1G A,Goldstein P.Inversion of far-regional broadband P waves for the estimation ofsource parameters from shallow depth earthquakes.J Geophys Res,2007,112:B02304,doi:10.1029/2006JB004724
34Dreger D S,Helmberger D V.Determination of source parametersat regional distances with three—Component sparse network data.J Geophys Res,1993,98:8107-8125
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