云南澜沧-耿马Ms7.6地震的完全库仑破裂应力变化与后续地震的动态、静态应力触发
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摘要
计算和研究了1988年云南澜沧-耿马Ms7.6地震产生的完全库仑破裂应力变化的时空演化图像,对继澜沧地震13min后发生的耿马M7.2地震的应力触发问题进行了分析,同时也对澜沧-耿马地震后24d内发生的Ms5.0~6.9后续强余震的应力触发问题进行了探讨.结果显示,澜沧地震断层破裂产生的完全库仑破裂应力变化空间分布图像具有很强的非对称性,正值的动态和静态库仑破裂应力变化区域均具有与强余震分布位置吻合较好的现象.耿马Ms7.2地震受到了澜沧Ms7.6地震产生动态和静态库仑破裂应力的触发作用;绝大多数后续强余震受到了动、静态库仑破裂应力的综合触发作用.
引文
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2Hainzl S.Seismicity patterns of earthquake swarms due to fluid intrusion and stress triggering.Geophys J Int,2004,159(3):1090—1096
3Wang W H,Chen C H.Static stress transferred by the1999Chi-Chi,Taiwan,Earthquake:effects on the stability of the sur-rounding fault systems and aftershock triggering with a3D fault-slip model.Bull Seismol Soc Amer,2001,91:1041—1052
4King G C P,Cocco M.Fault interaction by elastic stress changes:new clues from earthquake sequences.Adv Geophys,2001,44:1—38
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6Harris R A,Simpson R W,Reasenberg P A.Influence of static stress changes on earthquake location in southern California.Na-ture,1995,375:221—224
7Harris R A,Simpson R W.Changes in Static stress changes on southern California faults after the1992Landers earthquake.Na-ture,1992,360:251—254
8Tibi R,Wliens D A,Inoue H.Remote triggering of deep earth-quakes in the2002Tonga sequences.Nature,2003,424:921—925
9Andrea A,Cocco M,Das S,et al.Dynamic Stress Triggering Dur-ing the Great25March1998Antarctic Plate Earthquake.Bull Seismol Soc Amer,2002,92:896—903
10Belardinelli M E,Bizzarri A,Cocco M.Earthquake triggering by static and dynamic stress changes.J Geophys Res,2003,108(B3),2135,doi:10.1029/2002JB001779
11Gomberg J,Reasenberg P A,Bodin P,et al.Earthquake triggering by seismic waves following the Landers and Hector Mine earth-quakes.Nature,2001,411:462—466
12Brodsky E E,Karakostas V,Kanamori H.A new observation of dynamically triggered regional seismicity:earthquake in Greecefollowing the August,1999Izmit,Turkey earthquake.Geophys Res Lett,2000,27:2741—2744
13Anderson J G,Brune J N,Louie J N,et al.Seismicity in the western Great Basin apparently triggered by the Landers,California earth-quake,28June1992.Bull Seismol Soc Amer,1994,84:863—891
14Kilb D,Gomberg J,Bodin P.Triggering of earthquake aftershocks by dynamic stresses.Nature,2000,408:570—574
15Gomberg J,Blanpied M L,Beeler N M.Transient triggering of near and distant earthquakes.Bull Seismol Soc Amer,1997,87:294—309
16Tom P.A hypothesis for delayed dynamic earthquake triggering.Geophys Res Lett,2005,32,L04302,doi:10.1029/2004GL021811
17邱泽华,石耀霖.地震造成远距离应力阶变的观测实例.中国科学D辑:地球科学,2003,33(增刊):60—64
18石耀霖.关于应力触发和应力影概念在地震预报中应用的一些思考.地震,2001,21(3):1—7
19沈正康,万永革,甘卫军,等.东昆仑活动断裂带大地震之间的黏弹性应力触发研究.地球物理学报,2003,46(6):786—795
20万永革,吴忠良,周公威,等.地震应力触发研究.地震学报,2002,24(5):533—551
21刘桂萍,傅征祥.1973年炉霍大地震(Ms=7.6)最大余震(Ms=6.3)的库仑破裂应力触发.中国地震,2002,18(2):175—182
22姜葵,主编.1988年云南澜沧-耿马地震.昆明:云南大学出版社,1993.1—23
23Kilb D,Gomberg J,Bodin P.Aftershock triggering by complete Coulomb stress changes.J Geophys Res,2002,107(B4):2060,doi:10.1029/2001JB000202
24Bouchon M.A review of the discrete wave number method.Pure Appl Geophys,2003,160:445—465
25Chen Y T,Wu F T.Lancang-Gengma earthquake.A preliminary re-port on the November6,1988event and its aftershocks.Eos,12:1527—1540
26张之立,王华强.澜沧-耿马地震序列的非均匀断裂系破裂模式及弹塑性断裂计算方法.地震学报,1992,14(4):463—471
27Mozaffari P,许力生,吴忠良,等.用长周期体波数据反演1988年11月6日澜沧-耿马Ms7.6地震的矩张量.地震学报,1999,21(4):344—353
28郑斯华,杨健.1988年澜沧地震(M=7.6)震源时空扩展参数的研究.地震学报,1998,20(4):337—346
29陈培善,秦嘉政.澜沧-耿马地震的破裂过程.地震研究,1991,14(2):95—103
30Mozaffari P,吴忠良,陈运泰.用经验格林函数方法研究澜沧耿马Ms=7.6地震的破裂过程.地震学报,1998,20(1):1—11
31Heaton T H.Evidence for and implications of self-healing pulses of slip in earthquake rupture.Phys Earth Planet Inter,1990,64:1—20
32胡家富,苏有锦,朱雄关,等.云南的地壳S波速度与泊松比结构及其意义.中国科学D辑:地球科学,2003,33(8):714—722
33胡家富,丛连理,苏有锦,等.云南及周边地区Lg尾波Q值的分布特征.地球物理学报,2003,46(6):809—813
34吴建平,明跃红,王椿镛.云南数字地震台站下方的S波速度结构研究.地球物理学报,2001,44(2):228—237
35Kilb,D.A strong correlation between induced peak dynamic Cou-lomb stress change from the1992M7.3Landers,California,earth-quake and the hypocenter of the1999M7.1Hector Mine,California,earthquake.J Geophys Res,2003,108,doi:10.1029/2001JB000678
36Harris R A.Introduction to special section:stress triggers,stress shadows,and implications for seismic hazard.J Geophy Res,1998,103(B10):24347—24358
37Ziv A,Rubin A M.Static stress transfer and earthquake triggering;no lower threshold in sight?J Geophys Res,2000,105:13631—13642
38Hill D P,Reasenberg P A,Michael A,et al.Seismicity remotely triggered by the magnitude7.3Landers,California,earthquake.Science,1993,260:1617—1622
2Hainzl S.Seismicity patterns of earthquake swarms due to fluid intrusion and stress triggering.Geophys J Int,2004,159(3):1090—1096
3Wang W H,Chen C H.Static stress transferred by the1999Chi-Chi,Taiwan,Earthquake:effects on the stability of the sur-rounding fault systems and aftershock triggering with a3D fault-slip model.Bull Seismol Soc Amer,2001,91:1041—1052
4King G C P,Cocco M.Fault interaction by elastic stress changes:new clues from earthquake sequences.Adv Geophys,2001,44:1—38
5King G C P,Stein R S,Lin J.Static stress changes and the trigger-ing of earthquakes.Bull Seismol Soc Amer,1994,84:935—953
6Harris R A,Simpson R W,Reasenberg P A.Influence of static stress changes on earthquake location in southern California.Na-ture,1995,375:221—224
7Harris R A,Simpson R W.Changes in Static stress changes on southern California faults after the1992Landers earthquake.Na-ture,1992,360:251—254
8Tibi R,Wliens D A,Inoue H.Remote triggering of deep earth-quakes in the2002Tonga sequences.Nature,2003,424:921—925
9Andrea A,Cocco M,Das S,et al.Dynamic Stress Triggering Dur-ing the Great25March1998Antarctic Plate Earthquake.Bull Seismol Soc Amer,2002,92:896—903
10Belardinelli M E,Bizzarri A,Cocco M.Earthquake triggering by static and dynamic stress changes.J Geophys Res,2003,108(B3),2135,doi:10.1029/2002JB001779
11Gomberg J,Reasenberg P A,Bodin P,et al.Earthquake triggering by seismic waves following the Landers and Hector Mine earth-quakes.Nature,2001,411:462—466
12Brodsky E E,Karakostas V,Kanamori H.A new observation of dynamically triggered regional seismicity:earthquake in Greecefollowing the August,1999Izmit,Turkey earthquake.Geophys Res Lett,2000,27:2741—2744
13Anderson J G,Brune J N,Louie J N,et al.Seismicity in the western Great Basin apparently triggered by the Landers,California earth-quake,28June1992.Bull Seismol Soc Amer,1994,84:863—891
14Kilb D,Gomberg J,Bodin P.Triggering of earthquake aftershocks by dynamic stresses.Nature,2000,408:570—574
15Gomberg J,Blanpied M L,Beeler N M.Transient triggering of near and distant earthquakes.Bull Seismol Soc Amer,1997,87:294—309
16Tom P.A hypothesis for delayed dynamic earthquake triggering.Geophys Res Lett,2005,32,L04302,doi:10.1029/2004GL021811
17邱泽华,石耀霖.地震造成远距离应力阶变的观测实例.中国科学D辑:地球科学,2003,33(增刊):60—64
18石耀霖.关于应力触发和应力影概念在地震预报中应用的一些思考.地震,2001,21(3):1—7
19沈正康,万永革,甘卫军,等.东昆仑活动断裂带大地震之间的黏弹性应力触发研究.地球物理学报,2003,46(6):786—795
20万永革,吴忠良,周公威,等.地震应力触发研究.地震学报,2002,24(5):533—551
21刘桂萍,傅征祥.1973年炉霍大地震(Ms=7.6)最大余震(Ms=6.3)的库仑破裂应力触发.中国地震,2002,18(2):175—182
22姜葵,主编.1988年云南澜沧-耿马地震.昆明:云南大学出版社,1993.1—23
23Kilb D,Gomberg J,Bodin P.Aftershock triggering by complete Coulomb stress changes.J Geophys Res,2002,107(B4):2060,doi:10.1029/2001JB000202
24Bouchon M.A review of the discrete wave number method.Pure Appl Geophys,2003,160:445—465
25Chen Y T,Wu F T.Lancang-Gengma earthquake.A preliminary re-port on the November6,1988event and its aftershocks.Eos,12:1527—1540
26张之立,王华强.澜沧-耿马地震序列的非均匀断裂系破裂模式及弹塑性断裂计算方法.地震学报,1992,14(4):463—471
27Mozaffari P,许力生,吴忠良,等.用长周期体波数据反演1988年11月6日澜沧-耿马Ms7.6地震的矩张量.地震学报,1999,21(4):344—353
28郑斯华,杨健.1988年澜沧地震(M=7.6)震源时空扩展参数的研究.地震学报,1998,20(4):337—346
29陈培善,秦嘉政.澜沧-耿马地震的破裂过程.地震研究,1991,14(2):95—103
30Mozaffari P,吴忠良,陈运泰.用经验格林函数方法研究澜沧耿马Ms=7.6地震的破裂过程.地震学报,1998,20(1):1—11
31Heaton T H.Evidence for and implications of self-healing pulses of slip in earthquake rupture.Phys Earth Planet Inter,1990,64:1—20
32胡家富,苏有锦,朱雄关,等.云南的地壳S波速度与泊松比结构及其意义.中国科学D辑:地球科学,2003,33(8):714—722
33胡家富,丛连理,苏有锦,等.云南及周边地区Lg尾波Q值的分布特征.地球物理学报,2003,46(6):809—813
34吴建平,明跃红,王椿镛.云南数字地震台站下方的S波速度结构研究.地球物理学报,2001,44(2):228—237
35Kilb,D.A strong correlation between induced peak dynamic Cou-lomb stress change from the1992M7.3Landers,California,earth-quake and the hypocenter of the1999M7.1Hector Mine,California,earthquake.J Geophys Res,2003,108,doi:10.1029/2001JB000678
36Harris R A.Introduction to special section:stress triggers,stress shadows,and implications for seismic hazard.J Geophy Res,1998,103(B10):24347—24358
37Ziv A,Rubin A M.Static stress transfer and earthquake triggering;no lower threshold in sight?J Geophys Res,2000,105:13631—13642
38Hill D P,Reasenberg P A,Michael A,et al.Seismicity remotely triggered by the magnitude7.3Landers,California,earthquake.Science,1993,260:1617—1622
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