SEISMOLOGY AND GEOLOGY ›› 2025, Vol. 47 ›› Issue (4): 1183-1203.DOI: 10.3969/j.issn.0253-4967.2025.04.20240008
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TANG Mao-yun1,2)(), LI Cui-ping1),*(
), HUANG Shi-yuan1), DONG Lei1), GAO Jian1), LI Yong3)
Received:
2024-02-16
Revised:
2024-04-10
Online:
2025-08-20
Published:
2025-10-09
唐茂云1,2)(), 李翠平1),*(
), 黄世源1), 董蕾1), 高见1), 李勇3)
通讯作者:
李翠平, 女, 1989年生, 硕士, 高级工程师, 主要从事地震活动性与地震危险性研究, E-mail: 作者简介:
唐茂云, 男, 1990年生, 2015年于中国地震局地质研究所获构造地质学专业硕士学位, 高级工程师, 主要从事构造地貌、 微地震监测研究, E-mail: tmylzy@foxmail.com。
基金资助:
TANG Mao-yun, LI Cui-ping, HUANG Shi-yuan, DONG Lei, GAO Jian, LI Yong. THE CHARACTERISTICS OF TECTONIC STRESS FIELD AND SPATIOTEMPORAL EVOLUTION OF SEISMIC ACTIVITY IN LUXIAN-RONGCHANG[J]. SEISMOLOGY AND GEOLOGY, 2025, 47(4): 1183-1203.
唐茂云, 李翠平, 黄世源, 董蕾, 高见, 李勇. 泸县—荣昌地区地震活动时空演化与构造应力场特征[J]. 地震地质, 2025, 47(4): 1183-1203.
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URL: https://www.dzdz.ac.cn/EN/10.3969/j.issn.0253-4967.2025.04.20240008
序号 | 发震日期 | 发震时刻 | 震级 /ML | 深度 /km | 节面Ⅰ/(°) | 节面Ⅱ/(°) | P轴/(°) | T轴/(°) | B轴/(°) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
走向 | 倾角 | 滑动角 | 走向 | 倾角 | 滑动角 | 方位角 | 倾伏角 | 方位角 | 倾伏角 | 方位角 | 倾伏角 | ||||||
1* | 2009-01-24 | 16:00:53 | 3.9 | 2.7 | 78 | 41 | 85 | 264 | 49 | 94 | 352 | 4 | 210 | 85 | 82 | 3 | |
2* | 2009-08-08 | 21:26:18 | 4.8 | 2.3 | 60 | 49 | 93 | 235 | 41 | 86 | 148 | 4 | 1 | 85 | 238 | 3 | |
3* | 2009-07-06 | 05:39:14 | 4.2 | 2.5 | 9 | 43 | 83 | 199 | 47 | 97 | 284 | 2 | 169 | 85 | 14 | 5 | |
4* | 2010-02-22 | 21:32:23 | 4.7 | 3.2 | 38 | 37 | 103 | 201 | 54 | 80 | 298 | 8 | 74 | 78 | 207 | 8 | |
5 | 2010-09-10 | 21:21:43 | 4.9 | 3.0 | 340 | 47 | 100 | 146 | 44 | 80 | 63 | 1 | 321 | 83 | 153 | 7 | |
6 | 2010-11-05 | 22:09:52 | 3.7 | 5.0 | 90 | 58 | 85 | 279 | 32 | 98 | 184 | 13 | 345 | 76 | 93 | 4 | |
7 | 2013-03-27 | 00:14:01 | 3.7 | 3.0 | 339 | 54 | 109 | 129 | 40 | 66 | 56 | 7 | 301 | 73 | 148 | 15 | |
8 | 2014-02-23 | 16:58:02 | 3.8 | 3.0 | 34 | 49 | 70 | 243 | 45 | 111 | 138 | 2 | 236 | 75 | 47 | 15 | |
9 | 2016-12-27 | 08:17:33 | 5.3 | 3.0 | 71 | 64 | 125 | 193 | 43 | 40 | 136 | 12 | 28 | 56 | 234 | 31 | |
10 | 2016-12-28 | 06:20:28 | 3.8 | 4.0 | 66 | 55 | 94 | 239 | 35 | 84 | 153 | 10 | 352 | 79 | 244 | 3 | |
11 | 2016-12-28 | 12:43:52 | 4.5 | 2.1 | 71 | 43 | 80 | 265 | 48 | 99 | 348 | 2 | 239 | 83 | 78 | 7 | |
12* | 2017-10-05 | 07:48:05 | 3.1 | 8.4 | 300 | 40 | 100 | 107 | 51 | 82 | 203 | 6 | 335 | 82 | 112 | 6 | |
13 | 2018-04-15 | 22:46:33 | 3.8 | 4.0 | 340 | 49 | 109 | 132 | 44 | 69 | 57 | 2 | 318 | 76 | 147 | 14 | |
14 | 2021-07-10 | 19:38:03 | 3.7 | 2.9 | 0 | 56 | 71 | 212 | 38 | 116 | 103 | 9 | 223 | 72 | 11 | 16 | |
15 | 2021-07-23 | 20:55:22 | 4.7 | 3.0 | 24 | 40 | 106 | 183 | 52 | 77 | 283 | 6 | 43 | 78 | 192 | 10 | |
16 | 2021-08-24 | 19:06:36 | 3.6 | 2.0 | 15 | 42 | 90 | 195 | 48 | 90 | 285 | 3 | 105 | 87 | 15 | 0 | |
17 | 2021-09-16 | 04:33:30 | 6.3 | 5.0 | 321 | 44 | 104 | 122 | 48 | 77 | 221 | 2 | 322 | 80 | 131 | 10 | |
18 | 2021-09-25 | 02:16:34 | 3.8 | 5.0 | 5 | 23 | 94 | 181 | 67 | 88 | 272 | 22 | 87 | 68 | 181 | 2 | |
19 | 2021-09-27 | 11:19:18 | 3.6 | 3.0 | 25 | 35 | 94 | 200 | 55 | 87 | 292 | 10 | 98 | 80 | 202 | 2 | |
20 | 2021-12-12 | 14:06:18 | 3.9 | 5.0 | 350 | 25 | 79 | 182 | 65 | 95 | 268 | 20 | 102 | 70 | 360 | 5 | |
21 | 2021-12-12 | 14:11:22 | 3.6 | 6.0 | 9 | 29 | 99 | 179 | 61 | 85 | 273 | 16 | 76 | 74 | 181 | 4 | |
22 | 2022-03-26 | 04:34:09 | 3.3 | 3.0 | 20 | 40 | 113 | 171 | 54 | 72 | 274 | 7 | 29 | 74 | 182 | 15 | |
23 | 2022-03-31 | 18:16:03 | 3.9 | 3.0 | 23 | 30 | 101 | 191 | 61 | 84 | 285 | 16 | 86 | 73 | 194 | 5 | |
24 | 2022-04-01 | 17:27:56 | 3.8 | 2.1 | 5 | 46 | 68 | 215 | 48 | 111 | 290 | 1 | 197 | 75 | 21 | 15 | |
25 | 2022-05-17 | 21:05:07 | 3.5 | 5.8 | 0 | 31 | 84 | 187 | 59 | 94 | 274 | 14 | 108 | 76 | 5 | 3 | |
26 | 2022-08-02 | 23:05:46 | 3.6 | 6.0 | 345 | 28 | 80 | 176 | 62 | 95 | 262 | 17 | 98 | 72 | 354 | 5 | |
27 | 2022-08-19 | 15:07:36 | 3.3 | 3.0 | 342 | 30 | 97 | 154 | 60 | 86 | 247 | 15 | 53 | 75 | 156 | 3 | |
28 | 2022-08-25 | 08:00:10 | 4.4 | 5.0 | 17 | 57 | 83 | 210 | 34 | 101 | 112 | 11 | 263 | 77 | 21 | 6 | |
29 | 2022-11-08 | 15:49:57 | 3.3 | 5.0 | 9 | 37 | 80 | 201 | 54 | 97 | 286 | 8 | 142 | 80 | 17 | 6 | |
30 | 2022-12-15 | 07:18:23 | 4.5 | 5.0 | 11 | 30 | 84 | 198 | 60 | 93 | 285 | 15 | 117 | 75 | 16 | 3 | |
31 | 2023-05-06 | 13:01:57 | 4.4 | 2.0 | 6 | 49 | 94 | 180 | 41 | 85 | 93 | 4 | 311 | 85 | 183 | 3 |
Table1 Focal mechanism solutions for ML≥3.0 earthquakes in the Luxian-Rongchang region
序号 | 发震日期 | 发震时刻 | 震级 /ML | 深度 /km | 节面Ⅰ/(°) | 节面Ⅱ/(°) | P轴/(°) | T轴/(°) | B轴/(°) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
走向 | 倾角 | 滑动角 | 走向 | 倾角 | 滑动角 | 方位角 | 倾伏角 | 方位角 | 倾伏角 | 方位角 | 倾伏角 | ||||||
1* | 2009-01-24 | 16:00:53 | 3.9 | 2.7 | 78 | 41 | 85 | 264 | 49 | 94 | 352 | 4 | 210 | 85 | 82 | 3 | |
2* | 2009-08-08 | 21:26:18 | 4.8 | 2.3 | 60 | 49 | 93 | 235 | 41 | 86 | 148 | 4 | 1 | 85 | 238 | 3 | |
3* | 2009-07-06 | 05:39:14 | 4.2 | 2.5 | 9 | 43 | 83 | 199 | 47 | 97 | 284 | 2 | 169 | 85 | 14 | 5 | |
4* | 2010-02-22 | 21:32:23 | 4.7 | 3.2 | 38 | 37 | 103 | 201 | 54 | 80 | 298 | 8 | 74 | 78 | 207 | 8 | |
5 | 2010-09-10 | 21:21:43 | 4.9 | 3.0 | 340 | 47 | 100 | 146 | 44 | 80 | 63 | 1 | 321 | 83 | 153 | 7 | |
6 | 2010-11-05 | 22:09:52 | 3.7 | 5.0 | 90 | 58 | 85 | 279 | 32 | 98 | 184 | 13 | 345 | 76 | 93 | 4 | |
7 | 2013-03-27 | 00:14:01 | 3.7 | 3.0 | 339 | 54 | 109 | 129 | 40 | 66 | 56 | 7 | 301 | 73 | 148 | 15 | |
8 | 2014-02-23 | 16:58:02 | 3.8 | 3.0 | 34 | 49 | 70 | 243 | 45 | 111 | 138 | 2 | 236 | 75 | 47 | 15 | |
9 | 2016-12-27 | 08:17:33 | 5.3 | 3.0 | 71 | 64 | 125 | 193 | 43 | 40 | 136 | 12 | 28 | 56 | 234 | 31 | |
10 | 2016-12-28 | 06:20:28 | 3.8 | 4.0 | 66 | 55 | 94 | 239 | 35 | 84 | 153 | 10 | 352 | 79 | 244 | 3 | |
11 | 2016-12-28 | 12:43:52 | 4.5 | 2.1 | 71 | 43 | 80 | 265 | 48 | 99 | 348 | 2 | 239 | 83 | 78 | 7 | |
12* | 2017-10-05 | 07:48:05 | 3.1 | 8.4 | 300 | 40 | 100 | 107 | 51 | 82 | 203 | 6 | 335 | 82 | 112 | 6 | |
13 | 2018-04-15 | 22:46:33 | 3.8 | 4.0 | 340 | 49 | 109 | 132 | 44 | 69 | 57 | 2 | 318 | 76 | 147 | 14 | |
14 | 2021-07-10 | 19:38:03 | 3.7 | 2.9 | 0 | 56 | 71 | 212 | 38 | 116 | 103 | 9 | 223 | 72 | 11 | 16 | |
15 | 2021-07-23 | 20:55:22 | 4.7 | 3.0 | 24 | 40 | 106 | 183 | 52 | 77 | 283 | 6 | 43 | 78 | 192 | 10 | |
16 | 2021-08-24 | 19:06:36 | 3.6 | 2.0 | 15 | 42 | 90 | 195 | 48 | 90 | 285 | 3 | 105 | 87 | 15 | 0 | |
17 | 2021-09-16 | 04:33:30 | 6.3 | 5.0 | 321 | 44 | 104 | 122 | 48 | 77 | 221 | 2 | 322 | 80 | 131 | 10 | |
18 | 2021-09-25 | 02:16:34 | 3.8 | 5.0 | 5 | 23 | 94 | 181 | 67 | 88 | 272 | 22 | 87 | 68 | 181 | 2 | |
19 | 2021-09-27 | 11:19:18 | 3.6 | 3.0 | 25 | 35 | 94 | 200 | 55 | 87 | 292 | 10 | 98 | 80 | 202 | 2 | |
20 | 2021-12-12 | 14:06:18 | 3.9 | 5.0 | 350 | 25 | 79 | 182 | 65 | 95 | 268 | 20 | 102 | 70 | 360 | 5 | |
21 | 2021-12-12 | 14:11:22 | 3.6 | 6.0 | 9 | 29 | 99 | 179 | 61 | 85 | 273 | 16 | 76 | 74 | 181 | 4 | |
22 | 2022-03-26 | 04:34:09 | 3.3 | 3.0 | 20 | 40 | 113 | 171 | 54 | 72 | 274 | 7 | 29 | 74 | 182 | 15 | |
23 | 2022-03-31 | 18:16:03 | 3.9 | 3.0 | 23 | 30 | 101 | 191 | 61 | 84 | 285 | 16 | 86 | 73 | 194 | 5 | |
24 | 2022-04-01 | 17:27:56 | 3.8 | 2.1 | 5 | 46 | 68 | 215 | 48 | 111 | 290 | 1 | 197 | 75 | 21 | 15 | |
25 | 2022-05-17 | 21:05:07 | 3.5 | 5.8 | 0 | 31 | 84 | 187 | 59 | 94 | 274 | 14 | 108 | 76 | 5 | 3 | |
26 | 2022-08-02 | 23:05:46 | 3.6 | 6.0 | 345 | 28 | 80 | 176 | 62 | 95 | 262 | 17 | 98 | 72 | 354 | 5 | |
27 | 2022-08-19 | 15:07:36 | 3.3 | 3.0 | 342 | 30 | 97 | 154 | 60 | 86 | 247 | 15 | 53 | 75 | 156 | 3 | |
28 | 2022-08-25 | 08:00:10 | 4.4 | 5.0 | 17 | 57 | 83 | 210 | 34 | 101 | 112 | 11 | 263 | 77 | 21 | 6 | |
29 | 2022-11-08 | 15:49:57 | 3.3 | 5.0 | 9 | 37 | 80 | 201 | 54 | 97 | 286 | 8 | 142 | 80 | 17 | 6 | |
30 | 2022-12-15 | 07:18:23 | 4.5 | 5.0 | 11 | 30 | 84 | 198 | 60 | 93 | 285 | 15 | 117 | 75 | 16 | 3 | |
31 | 2023-05-06 | 13:01:57 | 4.4 | 2.0 | 6 | 49 | 94 | 180 | 41 | 85 | 93 | 4 | 311 | 85 | 183 | 3 |
Fig. 6 Theoretical and practical waveform fitting diagrams at the best fitting depth of the ML4.5 earthquake on December 15, 2022(a)and the ML3.3 earthquake on March 26, 2022(b)from CAP inversion.
序号 | 发震日期 | 震级 /ML | 震级 /MW | 深度 /km | 节面Ⅰ/(°) | 节面Ⅱ/(°) | 震源 机制解图示 | 最小空间 旋转角/(°) | 来源 | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
走向 | 倾角 | 滑动角 | 走向 | 倾角 | 滑动角 | |||||||||
1 | 2010-09-10 | 4.9 | 4.1 | 3.0 | 152 | 65 | 90 | 332 | 25 | 90 | | 22.48 | 孟庆君等, | |
4.2 | 3.0 | 146 | 44 | 80 | 340 | 47 | 100 | | 本文 | |||||
2 | 2016-12-27 | 5.3 | 4.6 | 3.0 | 246 | 54 | 100 | 49 | 37 | 77 | | 45.75 | Wang et al., | |
4.5 | 3.0 | 193 | 43 | 40 | 71 | 64 | 125 | | 本文 | |||||
3 | 2016-12-28 | 4.5 | 4.0 | 2.2 | 238 | 31 | -80 | 46 | 60 | -95 | | 80.76 | Wang et al., | |
3.8 | 2.0 | 265 | 48 | 99 | 71 | 43 | 80 | | 本文 | |||||
4 | 2021-07-23 | 4.7 | 4.1 | 3.0 | 198 | 57 | 89 | 19 | 33 | 91 | | 13.57 | 易桂喜等, | |
4.0 | 3.0 | 183 | 52 | 77 | 24 | 40 | 106 | | 本文 | |||||
5 | 2021-08-24 | 3.6 | 3.5 | 3.0 | 208 | 55 | 92 | 24 | 35 | 87 | | 13.76 | 易桂喜等, | |
3.4 | 2.0 | 195 | 48 | 90 | 15 | 42 | 90 | | 本文 | |||||
6 | 2021-09-16 | 6.3 | 5.4 | 3.5 | 286 | 45 | 103 | 88 | 46 | 77 | | 34.06 | 易桂喜等, | |
5.3 | 5.0 | 321 | 44 | 104 | 122 | 48 | 77 | | 本文 |
Table2 Comparison of focal mechanism solutions of significant earthquakes obtained from different sources
序号 | 发震日期 | 震级 /ML | 震级 /MW | 深度 /km | 节面Ⅰ/(°) | 节面Ⅱ/(°) | 震源 机制解图示 | 最小空间 旋转角/(°) | 来源 | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
走向 | 倾角 | 滑动角 | 走向 | 倾角 | 滑动角 | |||||||||
1 | 2010-09-10 | 4.9 | 4.1 | 3.0 | 152 | 65 | 90 | 332 | 25 | 90 | | 22.48 | 孟庆君等, | |
4.2 | 3.0 | 146 | 44 | 80 | 340 | 47 | 100 | | 本文 | |||||
2 | 2016-12-27 | 5.3 | 4.6 | 3.0 | 246 | 54 | 100 | 49 | 37 | 77 | | 45.75 | Wang et al., | |
4.5 | 3.0 | 193 | 43 | 40 | 71 | 64 | 125 | | 本文 | |||||
3 | 2016-12-28 | 4.5 | 4.0 | 2.2 | 238 | 31 | -80 | 46 | 60 | -95 | | 80.76 | Wang et al., | |
3.8 | 2.0 | 265 | 48 | 99 | 71 | 43 | 80 | | 本文 | |||||
4 | 2021-07-23 | 4.7 | 4.1 | 3.0 | 198 | 57 | 89 | 19 | 33 | 91 | | 13.57 | 易桂喜等, | |
4.0 | 3.0 | 183 | 52 | 77 | 24 | 40 | 106 | | 本文 | |||||
5 | 2021-08-24 | 3.6 | 3.5 | 3.0 | 208 | 55 | 92 | 24 | 35 | 87 | | 13.76 | 易桂喜等, | |
3.4 | 2.0 | 195 | 48 | 90 | 15 | 42 | 90 | | 本文 | |||||
6 | 2021-09-16 | 6.3 | 5.4 | 3.5 | 286 | 45 | 103 | 88 | 46 | 77 | | 34.06 | 易桂喜等, | |
5.3 | 5.0 | 321 | 44 | 104 | 122 | 48 | 77 | | 本文 |
Fig. 7 The variation of inversion error with depth of the ML4.5 earthquake on December 15, 2022(a), the variation of inversion error with depth of the ML3.3 earthquake on March 26, 2022(b), All seismic centroid depth histograms obtained from CAP inversion(c).
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