SEISMOLOGY AND EGOLOGY ›› 2022, Vol. 44 ›› Issue (1): 205-219.DOI: 10.3969/j.issn.0253-4967.2022.01.013
• Research paper • Previous Articles Next Articles
LI Cui-ping(), TANG Mao-yun, GUO Wei-ying, WANG Xiao-long, DONG Lei
Received:
2021-01-15
Revised:
2021-06-09
Online:
2022-02-20
Published:
2022-04-20
作者简介:
李翠平, 女, 1989年生, 2015年于中国地震局地质所获构造地貌学专业硕士学位, 工程师, 主要从事地震活动性与地震危险性研究, 电话: 023-67086623, E-mail: wulicuiping@126.com。
基金资助:
CLC Number:
LI Cui-ping, TANG Mao-yun, GUO Wei-ying, WANG Xiao-long, DONG Lei. A PRELIMINARY STUDY ON 3D VELOCITY STRUCTURE OF RONGCHANG AND ITS ADJACENT AREA[J]. SEISMOLOGY AND EGOLOGY, 2022, 44(1): 205-219.
李翠平, 唐茂云, 郭卫英, 王小龙, 董蕾. 荣昌及周边三维速度结构初步研究[J]. 地震地质, 2022, 44(1): 205-219.
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URL: https://www.dzdz.ac.cn/EN/10.3969/j.issn.0253-4967.2022.01.013
断层名称 | 简称 | 长度/km | 力学性质 | 走向 | 倾向 | 倾角 |
---|---|---|---|---|---|---|
华蓥山断裂 | HYS | 600 | 逆冲右行走滑 | 50° | SE | 75° |
燕子岩断层 | YZY | 10 | 逆冲 | 60° | SE | 75° |
广顺横断层 | GSH | 29 | 正断右行走滑 | 315° | 不详 | 不详 |
黄泥垭断层 | HNY | 24 | 逆冲 | 220° | NW | 36°~54° |
薄刀岭断层 | BDL | 18 | 逆冲 | 240° | NW | 55° |
双河场断层 | SHC | 12 | 逆冲 | 40°~50° | SE | 30°~40° |
月琴坝断层 | YQB | 19 | 逆冲 | 225° | NW | 25°~67° |
螺观山南翼断层 | LGSS | 10 | 逆冲 | 45° | SE | 不详 |
螺观山北翼断层 | LGSN | 14 | 逆冲 | 225° | NW | 45° |
Table 1 The fault properties in the Rongchang and its adjacent areas
断层名称 | 简称 | 长度/km | 力学性质 | 走向 | 倾向 | 倾角 |
---|---|---|---|---|---|---|
华蓥山断裂 | HYS | 600 | 逆冲右行走滑 | 50° | SE | 75° |
燕子岩断层 | YZY | 10 | 逆冲 | 60° | SE | 75° |
广顺横断层 | GSH | 29 | 正断右行走滑 | 315° | 不详 | 不详 |
黄泥垭断层 | HNY | 24 | 逆冲 | 220° | NW | 36°~54° |
薄刀岭断层 | BDL | 18 | 逆冲 | 240° | NW | 55° |
双河场断层 | SHC | 12 | 逆冲 | 40°~50° | SE | 30°~40° |
月琴坝断层 | YQB | 19 | 逆冲 | 225° | NW | 25°~67° |
螺观山南翼断层 | LGSS | 10 | 逆冲 | 45° | SE | 不详 |
螺观山北翼断层 | LGSN | 14 | 逆冲 | 225° | NW | 45° |
序号 | 发震时间 | 震级 /MS | 节面Ⅰ/(°) | 节面Ⅱ/(°) | P轴/(°) | T轴/(°) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
走向 | 倾角 | 滑动角 | 走向 | 倾角 | 滑动角 | 方位角 | 仰角 | 方位角 | 仰角 | |||
① | 2009-08-08 | 4.3 | 246 | 42 | 86 | 71 | 48 | 94 | 159 | 3 | 20 | 86 |
② | 2010-02-22 | 4.2 | 205 | 38 | 80 | 41 | 53 | 103 | 122 | 7 | 342 | 80 |
③ | 2010-09-10 | 4.5 | 193 | 45 | 82 | 24 | 46 | 98 | 109 | 0 | 16 | 84 |
④ | 2016-12-27 | 4.9 | 259 | 46 | 127 | 32 | 55 | 58 | 144 | 5 | 244 | 64 |
Table 2 Focal mechanism solutions of MS≥4.0 earthquake in the study area
序号 | 发震时间 | 震级 /MS | 节面Ⅰ/(°) | 节面Ⅱ/(°) | P轴/(°) | T轴/(°) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
走向 | 倾角 | 滑动角 | 走向 | 倾角 | 滑动角 | 方位角 | 仰角 | 方位角 | 仰角 | |||
① | 2009-08-08 | 4.3 | 246 | 42 | 86 | 71 | 48 | 94 | 159 | 3 | 20 | 86 |
② | 2010-02-22 | 4.2 | 205 | 38 | 80 | 41 | 53 | 103 | 122 | 7 | 342 | 80 |
③ | 2010-09-10 | 4.5 | 193 | 45 | 82 | 24 | 46 | 98 | 109 | 0 | 16 | 84 |
④ | 2016-12-27 | 4.9 | 259 | 46 | 127 | 32 | 55 | 58 | 144 | 5 | 244 | 64 |
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