理塘M_S5.1和杂多M_S6.2地震热红外亮温异常分析
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摘要
利用相对功率谱方法对风云卫星热红外亮温数据进行处理,发现理塘M_S5.1和杂多M_S6.2地震前存在明显的前兆异常。异常时空演化特征为2016年8月12日在嘉黎—察隅断裂带、怒江断裂带和澜沧江断裂带开始出现亮温功率谱高值聚集现象,随后幅值和面积逐渐增大,持续至9月1日异常面积和幅度达到最大值,然后逐渐减弱,2016年9月21日后基本恢复正常,异常持续近40天。异常结束后,分别于9月23日和10月17日在异常区域内发生理塘M_S5.1和杂多M_S6.2地震。两次地震震中区域平均相对功率谱值时序曲线与异常区域时间演化过程类似,地震发生在平均相对功率谱值恢复正常背景值之后。
Using relative power spectrum method to deal with thermal infrared brightness temperature data from the Fengyun satellite,we found that there were obvious precursory anomalies before the occurrence of the 2016 Litang M_S5.1 and Zaduo M_S6.2 earthquakes.The characteristic of abnormal temporal and spatial evolution was that high-value aggregation of the brightness temperature power spectrum at the Jiali-Zayu fault,Nu River fault and Lancang River fault on August 12th,2016.Further,the amplitude and area increased gradually until September 1 reaching its maximum,later gradually decreased and returned to normal on September 21,2016.The anomaly lasted nearly 40 days.After the occurrence of anomaly,Litang M_S5.1 and Zaduo M_S6.2 earthquakes occurred in the anomaly area on September 23 and October 17 respectively.The average power spectrum time series of the two epicentral region are similar to the temporal evolution of the anomaly region,and the earthquakes occurred after the average relative power spectral values return to normal backgrounds.
Using relative power spectrum method to deal with thermal infrared brightness temperature data from the Fengyun satellite,we found that there were obvious precursory anomalies before the occurrence of the 2016 Litang M_S5.1 and Zaduo M_S6.2 earthquakes.The characteristic of abnormal temporal and spatial evolution was that high-value aggregation of the brightness temperature power spectrum at the Jiali-Zayu fault,Nu River fault and Lancang River fault on August 12th,2016.Further,the amplitude and area increased gradually until September 1 reaching its maximum,later gradually decreased and returned to normal on September 21,2016.The anomaly lasted nearly 40 days.After the occurrence of anomaly,Litang M_S5.1 and Zaduo M_S6.2 earthquakes occurred in the anomaly area on September 23 and October 17 respectively.The average power spectrum time series of the two epicentral region are similar to the temporal evolution of the anomaly region,and the earthquakes occurred after the average relative power spectral values return to normal backgrounds.
引文
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[14]耿乃光,崔承禹,邓明德,等.岩石破裂实验中的遥感观测与遥感岩石力学的开端[J].地震学报,1992,14(增):645-652.
[15]吴立新,刘善军,吴育华,等.遥感岩石力学(1):非连续组合断层破裂的热红外辐射规律及其构造地震前兆意义[J].岩石力学与工程学报,2004,23(1):24-30.
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[17]马瑾,陈顺云,刘培洵.用卫星热红外信息研究关联断层活动的时空变化——以南北地震构造带为例[J].地球物理学报,2006,49(3):816-823.
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[20]陈顺云,马瑾,刘培询,等.中国地表亮度温度年变基准场[J].地震地质,2004,26(3):528-538.
[21]陈顺云,马瑾,刘培询,等.中国大陆地表温度年变基准场研究[J].地球物理学报,2009,2(9):2273-2 281.
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[23]魏乐军,郭坚峰,蔡慧,等.卫星热红外异常——四川汶川8.0级大地震的短临震兆[J].地球学报,2008,29(5):583-591.
[24]康春丽,张艳梅,刘德富,等.汶川8.0级大地震的长波辐射征象[J].地震,2009,29(1):116-120.
[25]马未宇.汶川地震前的NCEP异常现象[J],科技导报,2008,26(10):36-38.
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[27]魏从信,张元生,郭晓,等.玉树7.1级地震热红外与长波辐射异常[J].地球物理学进展,2013,28(5):2 444-2 452.
[28]张铁宝,路茜,刘放,等.汶川和玉树地震前MODIS卫星红外异常分析[J].地震研究,2013,36(4):496-501.
[29]徐秀登,徐保华.芦山地震的红外增温异常分析[J].地学前缘,2013,20(3):25-28.
[30]张璇,张元生,魏从信,等.四川芦山7.0级地震卫星热红外异常解析[J].地震工程学报,2013,35(2):272-277.
[31]解滔,郑晓东,康春丽,等.2013年4月20日芦山MS7.0地震前热红外亮温异常分析[J].地震地质,2015,37(1):150-161.
[32]王在华,张元生,张治广.近年于田2次7.3级地震热红外异常特征分析[J].内陆地震,2016,30(2):110-115.
[33]郭晓,张元生,钟美娇,等.提取地震热异常信息的功率谱相对变化法及震例分析[J].地球物理学报,2010,53(11):2 688-2 695.
[34]Peter Molnar,Paul Tapponnier.Cenozoic Tectonics of Asia:Effects of a Continental Collision[J].Science,New Series,1975,189(4 201):419-426.
[35]汪集旸,胡圣标,庞忠和,等.中国大陆干热岩地热资源潜力评估[J].科技导报,2012,30(32):25-31.
[36]傅征祥,吕晓健,张元生,等.拉萨和羌塘地块地震活动和热前兆现象及其机理研究[J].地震,2010,30(1):20-27.
[37]Cicerone R D,Ebel J E,Britton J.A systematic compilation of earthquake precursors[J].Tectonophysics,2009,476:371-396.
[38]王洪涛,强祖基.应用卫星热红外异常预测地震的研究[J].地球科学进展,1995,10(6):537-541.
[39]吴立新,刘善军,吴育华.遥感岩石力学引论——岩石受力灾变的红外遥感[M].北京:科学出版社,2006.
[40]徐忠印,刘善军,吴立新.岩石变形破裂红外与微波辐射变化特征对比研究[J].东北大学学报(自然科学版),2015,36(12):1 738-1 742.
[41]张培震,邓起东,张国民,等.中国大陆的强震活动与活动地块[J].中国科学(D辑),2003,33(增刊):12-20.
[42]M7专项工作组.中国大陆大地震中—长期危险性研究[M].北京:地震出版社,2012.
[2]Tronin A A,Hayakawa M,Molchanov O A.Thermal IR satellite data application for earthquake research in Japan and China[J].Journal of Geodynamics,2002,33:519-534.
[3]Saraf A K,Choudhury S.Earthquakes and thermal anomalies[J].Geospatial Today,2003,2(2):18-20.
[4]Ouzounov D,Freund F T.Mid-infrared emission prior to strong earthquakes analyzed by remote sensing data[J].Advances in Space Research,2004,33:268-273.
[5]Saraf AK.Choudhury S.Satellite detects surface thermal anomalies associated with the Algerian earthquakes of May 2003[J].International Journal of Remote Sensing,2005,26(13):2 705-2 713.
[6]Choudhury S,Dasgupta S,Saraf A K,et al.Remote sensing observations of pre-earthquake thermal anomalies in Iran[J].International Journal of Remote Sensing,2006,27(20):4 381-4 396.
[7]Pulinets S A,Ozounov D,Karelin A V,et al.The physical nature of thermal anomalies observed before strong earthquakes[J].Physics and Chemistry of the Earth,2006,31:143-153.
[8]Saraf A K,Rawat V,Banerjee P,et al.Satellite detection of earthquake thermal infrared precursors in Iran[J].Nat Hazards,2008,47:119-135.
[9]叶秀薇,黄元敏.卫星热红外遥感资料在地震预测中应用的现状[J].华南地震,2010,30(2):26-35.
[10]徐秀登,强祖基,赁常恭.突发性地面增温与临震前兆[J].地震地质,1990,13(2):243-249.
[11]徐秀登,徐向民,强祖基.红外临震异常的基本特征与成因机理再认识[J].浙江师大学报(自然科学版),1994,17(3):43-47.
[12]强祖基,徐秀登,赁常恭.卫星热红外异常:临震前兆[J].科学通报,1990,35(17):1 324-1 327.
[13]强祖基,赁常恭,李玲芝,等.卫星热红外图像亮温异常-短临震兆[J].中国科学,1998,28(6):564-573.
[14]耿乃光,崔承禹,邓明德,等.岩石破裂实验中的遥感观测与遥感岩石力学的开端[J].地震学报,1992,14(增):645-652.
[15]吴立新,刘善军,吴育华,等.遥感岩石力学(1):非连续组合断层破裂的热红外辐射规律及其构造地震前兆意义[J].岩石力学与工程学报,2004,23(1):24-30.
[16]吕琪琦,丁鉴海,崔承禹.1998年1月10日张北6.2级地震前可能的卫星热红外异常现象[J].地震学报,2000,22(2):183-188.
[17]马瑾,陈顺云,刘培洵.用卫星热红外信息研究关联断层活动的时空变化——以南北地震构造带为例[J].地球物理学报,2006,49(3):816-823.
[18]荆凤,申旭辉,康春丽,等.中强地震前的长波辐射异常震例研究[J].地震,2009,29(4):117-122.
[19]荆凤,申旭辉,康春丽,等.中国大陆地区卫星长波辐射背景场特征初步分析及震例研究[J].地震,2009,29(增):90-97.
[20]陈顺云,马瑾,刘培询,等.中国地表亮度温度年变基准场[J].地震地质,2004,26(3):528-538.
[21]陈顺云,马瑾,刘培询,等.中国大陆地表温度年变基准场研究[J].地球物理学报,2009,2(9):2273-2 281.
[22]吴立新,刘善军,陈云浩,等.汶川地震前卫星热红外异常与云异常的现象[J].科技导报,2008,26(10):32-36.
[23]魏乐军,郭坚峰,蔡慧,等.卫星热红外异常——四川汶川8.0级大地震的短临震兆[J].地球学报,2008,29(5):583-591.
[24]康春丽,张艳梅,刘德富,等.汶川8.0级大地震的长波辐射征象[J].地震,2009,29(1):116-120.
[25]马未宇.汶川地震前的NCEP异常现象[J],科技导报,2008,26(10):36-38.
[26]张元生,郭晓,钟美娇,等.汶川地震卫星热红外亮温变化[J].科学通报,2010,55(10):904-910.
[27]魏从信,张元生,郭晓,等.玉树7.1级地震热红外与长波辐射异常[J].地球物理学进展,2013,28(5):2 444-2 452.
[28]张铁宝,路茜,刘放,等.汶川和玉树地震前MODIS卫星红外异常分析[J].地震研究,2013,36(4):496-501.
[29]徐秀登,徐保华.芦山地震的红外增温异常分析[J].地学前缘,2013,20(3):25-28.
[30]张璇,张元生,魏从信,等.四川芦山7.0级地震卫星热红外异常解析[J].地震工程学报,2013,35(2):272-277.
[31]解滔,郑晓东,康春丽,等.2013年4月20日芦山MS7.0地震前热红外亮温异常分析[J].地震地质,2015,37(1):150-161.
[32]王在华,张元生,张治广.近年于田2次7.3级地震热红外异常特征分析[J].内陆地震,2016,30(2):110-115.
[33]郭晓,张元生,钟美娇,等.提取地震热异常信息的功率谱相对变化法及震例分析[J].地球物理学报,2010,53(11):2 688-2 695.
[34]Peter Molnar,Paul Tapponnier.Cenozoic Tectonics of Asia:Effects of a Continental Collision[J].Science,New Series,1975,189(4 201):419-426.
[35]汪集旸,胡圣标,庞忠和,等.中国大陆干热岩地热资源潜力评估[J].科技导报,2012,30(32):25-31.
[36]傅征祥,吕晓健,张元生,等.拉萨和羌塘地块地震活动和热前兆现象及其机理研究[J].地震,2010,30(1):20-27.
[37]Cicerone R D,Ebel J E,Britton J.A systematic compilation of earthquake precursors[J].Tectonophysics,2009,476:371-396.
[38]王洪涛,强祖基.应用卫星热红外异常预测地震的研究[J].地球科学进展,1995,10(6):537-541.
[39]吴立新,刘善军,吴育华.遥感岩石力学引论——岩石受力灾变的红外遥感[M].北京:科学出版社,2006.
[40]徐忠印,刘善军,吴立新.岩石变形破裂红外与微波辐射变化特征对比研究[J].东北大学学报(自然科学版),2015,36(12):1 738-1 742.
[41]张培震,邓起东,张国民,等.中国大陆的强震活动与活动地块[J].中国科学(D辑),2003,33(增刊):12-20.
[42]M7专项工作组.中国大陆大地震中—长期危险性研究[M].北京:地震出版社,2012.
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