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2017 Jiuzhaigou earthquake

The 2017 Jiuzhaigou earthquake was an earthquake that happened on 8 August 2017, in Zhangzha Town, Jiuzhaigou County, Ngawa Prefecture, Sichuan Province, China. The earthquake was recorded at magnitude 7.0. It killed at least 24 people in the area.

2017 Jiuzhaigou earthquake
Date {{{date}}}
Duration 15 seconds[1]
Magnitude Ms 7.0 (CENC)
Mw 6.5 (USGS)
Depth about 20 kilometres (CENC)
9 kilometres (USGS)
Epicenter location 33°11′35″N 103°51′18″E / 33.193°N 103.855°E / 33.193; 103.855Coordinates: 33°11′35″N 103°51′18″E / 33.193°N 103.855°E / 33.193; 103.855
Zhangzha Town, Jiuzhaigou County, Ngawa Prefecture, Sichuan Province, China
Countries or regions affected {{{countries affected}}}
Max. intensity VII (USGS)
Aftershocks 1,741 (including 30 major aftershocks)
Casualties 25 dead, 525 injured

Earthquake

 
The distribution of the strength of this earthquake, where the centre of the earthquake is labelled with a star (USGS)

The earthquake started at 21:19:46 China Standard Time (CST, UTC+8) on 8 August 2017 in Zhangzha Town in Jiuzhaigou County (33°12′N 103°49′E / 33.20°N 103.82°E / 33.20; 103.82). It had magnitude 7.0.[a][b][6] Cities as far away as Lanzhou, Chengdu and Xi'an felt the earthquake.[7] The centre of the earthquake was 39 kilometres from the county seat of Jiuzhaigou County, 66 kilometres from Songpan County, 83 kilometres from Zhouqu County, 90 kilometres from Zoigê County, 105 kilometres from Longnan City, and 285 kilometres from Chengdu City.[8]

Setting

Northern Sichuan is in an area where there is a lot of earth movement. In this area, the Tibetan Plateau is next to the Yangtze Plate with great pressure forming faults along the edges.[9] Jiuzhaigou County is in the Min Mountains, a range that was formed where these faults meet. The disastrous 1879 Gansu earthquake had its earthquake centre about 65 kilometres to the east of where the 2017 Jiuzhaigou earthquake happened. The places with lots of mountains to the south of Jiuzhaigou County were the earthquake centre of the 2008 Sichuan earthquake that resulted in tens of thousands of deaths.

Influence

The China Earthquake Administration said that the graph[1] showed that the strength of earthquake could be higher than level IX, and the earthquake centre in Zhangzha County could reach level VIII.

After the earthquake, all of the Jiuzhaigou County completely suffered a power failure.[10] The people who saw the situation found that some buildings had fallen in Jiuzhaigou Valley Scenic and Historic Interest Area. The staff of the Jiuzhaigou Valley Scenic and Historic Interest Area told a reporter from Xinhua News Agency that in the fourth ditch of the Jiuzhaigou Valley Scenic and Historic Interest Area a house had fallen down and cracked, and the locals were stepping up to move people out.

Rescue

The China Earthquake Administration put up a Level I reaction. It later changed to Level II. They sent the army to the earthquake area for rescue.[11] At 21:26 CST (UTC+8), Health and Family Planning Commission of Sichuan Province Archived 2017-08-09 at the Wayback Machine started an emergency plan. The medical rescue team was going to head to the earthquake area within one hour.[12] The Red Cross Society of China, Sichuan Branch[13] was on emergency standby (ready to act immediately), preparing for rescue.[14] Early the next day, China's State Council Earthquake food-supply headquarters started national level Ⅱ earthquake emergency response.[15]

At 06:20 CST on 9 August, a Shuajingsi Town (刷经寺镇) militia vehicle had a traffic collision with a Sichuan F (Deyang) coach in Hongyuan County, Ngawa Prefecture. Three people from the coach were injured and were being medically treated.[16]

Until 9 August 2017, there were 40 people seriously injured. Seven of them were moved to other hospitals, four to West China Hospital of Sichuan University, and the rest to Jiuzhaigou County Hospital and Zhongzang Hospital.

Deaths and injuries

The Emergency Management Office of the Ngawa Prefecture, Sichuan Province said that until 13:10 CST on 9 August, the 7.0-magnitude earthquake in Zhangzha Town in Jiuzhaigou County killed 19 people and injured 247 people, including 40 people critically injured. The following day, the deaths rose to 20 with over 400 injured. Deaths and injuries mainly occurred in Zhangzha Town in Jiuzhaigou County.[17]

CST date and time Deaths Injuries Sources References
Serious injuries Minor injuries Total injuries
2017-08-08 21:19:46 (main earthquake happened) China Earthquake Networks Center
(中国地震台网) 		[18]
2017-08-08 23:39 1 4 4 Chengdu Tourism Administration
(成都市旅游局) 		[19]
2017-08-08 23:58 5 63 Emergency Management Office of the Jiuzhaigou County
(九寨沟县应急办) 		[20]
2017-08-09 02:08 5 88 China Central Television
(中国中央电视台) 		[21]
2017-08-09 04:00 9 32 103 135 Information Office of Ngawa Prefecture Government
(阿坝州政府新闻办) 		[22]
2017-08-09 05:00 9 164 Emergency Management Office of Ngawa Prefecture Government
(阿坝州人民政府应急管理办公室) 		[23]
2017-08-09 08:10 12 Ngawa Weibo
(阿坝微博) 		[24]
2017-08-09 08:58 12 28 147 175 People's Daily
(人民日报) 		[25]
2017-08-09 09:30 13 175 Information Office of Sichuan Province Government
(四川省政府新闻办) 		[26]
2017-08-09 13:10 19 40 207 247 Emergency Management Office of Ngawa Prefecture Government
(阿坝州人民政府应急管理办公室) 		[17]
2017-08-10 12:00 20 18 413 431 Emergency Management Office of the Jiuzhaigou County
(九寨沟县应急办) 		[27]
2017-08-11 19:00 23 45 448 493 Emergency Management Office of Ngawa Prefecture Government
(阿坝州人民政府应急管理办公室) 		[28]
*All the times are reporting times, so the reported casualties might possibly be different from the actual casualties.

Aftershocks

 
Aftershocks of 2017 Jiuzhaigou earthquake

As of 10 August 2017 10:00 CST (UTC+8), 1741 aftershocks had occurred. That included 30 major ones.[29] Some experts said that the aftershocks might reach a magnitude of 6 after several days.[30] The major aftershocks reported by China Earthquake Networks Center are listed below:

2017 Jiuzhaigou Earthquake Media

  • Aftershocks of 2017 Jiuzhaigou earthquake

Notes

  1. ↑ The result from United States Geological Survey was Mw 6.5, with depth 9.0 kilometres[2]
  2. ↑ China Earthquake Networks Center automatically reported 6.5 at first, and then formally reported 7.0.[3][4][5]

References

  1. ↑ 1.0 1.1 "四川阿坝州九寨沟7.0级地震综合图集". Archived from the original on 9 August 2017. Retrieved 8 August 2017.
  2. ↑ "M 6.5 - 35km WSW of Yongle, China". USGS Earthquake Hazards Program. Retrieved 8 August 2017.
  3. ↑ "九寨沟发生6.5级地震 广元震感明显". 四川新闻——四川在线 (in 中文). Retrieved 8 August 2017.
  4. ↑ "四川阿坝州九寨沟县附近发生6.5级左右地震". 新浪网 (in 中文). 8 August 2017. Retrieved 8 August 2017.
  5. ↑ "四川阿坝州九寨沟县发生6.5级地震". 凤凰新闻-手机凤凰网 (in 中文). Retrieved 8 August 2017.
  6. ↑ "四川阿坝州九寨沟县7.0级地震" (in 中文（中国大陆）‎). 中国地震台网. 8 August 2017.
  7. ↑ 張心怡 (8 August 2017). "四川九寨溝發生7.0級地震 再有3.5級餘震 西安蘭州等地有震感" (in zh-hk). 香港01. https://www.hk01.com/%E5%85%A9%E5%B2%B8/110702/%E5%9B%9B%E5%B7%9D%E4%B9%9D%E5%AF%A8%E6%BA%9D%E7%99%BC%E7%94%9F7-0%E7%B4%9A%E5%9C%B0%E9%9C%87-%E5%86%8D%E6%9C%893-5%E7%B4%9A%E9%A4%98%E9%9C%87-%E8%A5%BF%E5%AE%89%E8%98%AD%E5%B7%9E%E7%AD%89%E5%9C%B0%E6%9C%89%E9%9C%87%E6%84%9F. Retrieved 8 August 2017. 
  8. ↑ 中国地震台网. "一文读懂四川九寨沟县发生7.0级地震" (in 中文（中国大陆）‎). 腾讯新闻. Retrieved 8 August 2017.
  9. ↑ Zhang, Zhongjie; Yuan, Xiaohui; Chen, Yun; Tian, Xiaobo; Kind, Rainier; Li, Xueqing; Teng, Jiwen (April 2010). "Seismic signature of the collision between the east Tibetan escape flow and the Sichuan Basin". Earth and Planetary Science Letters. 292 (3–4): 254–264. Bibcode:2010E&PSL.292..254Z. doi:10.1016/j.epsl.2010.01.046. Retrieved 11 April 2017.
  10. ↑ 张博. "九寨沟7级地震强烈震感持续十几秒 目前全城停电". 中国青年网 (in 中文（中国大陆）‎). Archived from the original on 8 August 2017. Retrieved 8 August 2017.
  11. ↑ "中国地震局启动I级应急响应". 中国地震局 (in 中文（中国大陆）‎). Retrieved 8 August 2017.
  12. ↑ "四川九寨沟发生7.0级地震 多地有震感_新闻_腾讯网" (in zh-cn). 腾讯网. 8 August 2017. http://news.qq.com/a/20170808/055222.htm?t=1502201833660. Retrieved 8 August 2017. 
  13. ↑ "四川省红十字会". www.scredcross.org.cn.
  14. ↑ "四川九寨沟7.0级地震 省红十字会进入应急状态" (in 中文（中国大陆）‎). 中国新闻网. 8 August 2017. Retrieved 8 August 2017.
  15. ↑ "国务院抗震救灾指挥部启动国家Ⅱ级地震应急响应". 中国地震局 (in 中文（中国大陆）‎). Retrieved 8 August 2017.
  16. ↑ "默哀！九寨沟地震救灾途中两车相撞 一名民兵不幸身亡". 成都商报 (in 中文（中国大陆）‎). 观察者网. Archived from the original on 9 August 2017. Retrieved 9 August 2017.
  17. ↑ 17.0 17.1 (in zh) 四川九寨沟县发生7级地震多地震感强烈. 8 August 2017. http://www.bbc.com/zhongwen/simp/chinese-news-40869997. Retrieved 8 August 2017. 
  18. ↑ "四川阿坝州九寨沟县7.0级地震" (in 中文（中国大陆）‎). 中国地震台网. 8 August 2017.
  19. ↑ 成都市旅游局：赴九寨沟旅行团已有1人死亡4人受伤. 8 August 2017. http://news.chengdu.cn/2017/0808/1900745.shtml. 
  20. ↑ 四川阿坝州地震已造成5人死亡 均为游客. 8 August 2017. http://china.huanqiu.com/article/2017-08/11098751.html. 
  21. ↑ 九寨沟地震已致5人遇难88人受伤 死者均为游客. 9 August 2017. http://news.sina.com.cn/c/nd/2017-08-09/doc-ifyitamv7473246.shtml. 
  22. ↑ 九寨沟7.0级地震已造成9人死亡、受伤135人. 9 August 2017. http://news.ifeng.com/a/20170809/51589833_0.shtml. 
  23. ↑ "九寨沟地震9人死亡 设立避难场所疏散3.15万游客". 阿坝州. 9 August 2017. Archived from the original on 9 August 2017. Retrieved 14 August 2017.
  24. ↑ 九寨沟7.0级地震已造成12人死亡 175人受伤. 9 August 2017. https://www.chinanews.com/sh/2017/08-09/8299667.shtml. 
  25. ↑ 九寨沟地震已致12人死亡175人受伤 3人身份不明. 9 August 2017. http://news.sina.com.cn/c/nd/2017-08-09/doc-ifyitamv7613397.shtml. 
  26. ↑ 九寨沟7级地震已造成13人死亡、175人受伤. 9 August 2017. http://news.xinhuanet.com/politics/2017-08/09/c_1121455318.htm. 
  27. ↑ (in zh-cn) 九寨沟地震已致20人死亡，431人受伤. 10 August 2017. http://finance.sina.com.cn/roll/2017-08-10/doc-ifyixipt0760471.shtml. 
  28. ↑ (in zh-cn) 九寨沟7.0级地震已造成23人死亡. 11 August 2017. http://news.sina.com.cn/c/nd/2017-08-11/doc-ifyixiar9689201.shtml. 
  29. ↑ "九寨沟县余震衰减情况正常 已发生余震1741个 最大余震4.8级". 网易新闻 (in 中文（中国大陆）‎). 四川省地震局. 2017-08-10. Archived from the original on 2017-08-10. Retrieved 2017-08-10.
  30. ↑ "7问九寨沟地震：为何5年内地震142次？" (in zh-cn). 新浪网 (中国新闻网). 2017-08-09. http://news.sina.com.cn/c/nd/2017-08-09/doc-ifyitamv7705923.shtml. Retrieved 2017-08-09. 
  31. ↑ "8月8日21时19分四川阿坝州九寨沟县发生7.0级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  32. ↑ "8月8日21时28分四川阿坝州九寨沟县发生3.2级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  33. ↑ "8月8日21时41分四川阿坝州九寨沟县发生3.3级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  34. ↑ "8月8日23时4分四川阿坝州九寨沟县发生3.2级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  35. ↑ "8月8日23时49分四川阿坝州九寨沟县发生3.0级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  36. ↑ "8月8日23时51分四川阿坝州九寨沟县发生3.1级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  37. ↑ "8月9日0时35分四川阿坝州九寨沟县发生3.2级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  38. ↑ "8月9日3时59分四川阿坝州九寨沟县发生3.0级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  39. ↑ "8月9日5时16分四川阿坝州九寨沟县发生3.6级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  40. ↑ "8月9日5时37分四川阿坝州九寨沟县发生3.6级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  41. ↑ "8月9日5时41分四川阿坝州九寨沟县发生3.3级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  42. ↑ "8月9日6时24分四川阿坝州九寨沟县发生3.0级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  43. ↑ "8月9日6时49分四川阿坝州九寨沟县发生3.2级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  44. ↑ "8月9日6时49分四川阿坝州九寨沟县发生3.3级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Archived from the original on 2017-08-09. Retrieved 2017-08-14.
  45. ↑ "8月9日8时10分四川阿坝州九寨沟县发生3.7级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  46. ↑ "8月9日8时29分四川阿坝州九寨沟县发生3.9级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  47. ↑ "8月9日9时22分四川阿坝州九寨沟县发生3.8级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  48. ↑ "8月9日9时32分四川阿坝州九寨沟县发生3.7级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  49. ↑ "8月9日10时17分四川阿坝州九寨沟县发生4.8级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  50. ↑ "四川阿坝州黑水县2.9级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  51. ↑ "四川阿坝州九寨沟县3.1级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  52. ↑ "四川阿坝州九寨沟县3.1级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  53. ↑ "四川阿坝州九寨沟县3.7级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  54. ↑ "四川阿坝州九寨沟县3.0级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  55. ↑ "四川阿坝州九寨沟县4.3级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  56. ↑ "四川阿坝州九寨沟县3.2级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  57. ↑ "四川阿坝州九寨沟县2.8级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  58. ↑ "四川阿坝州九寨沟县3.0级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  59. ↑ "四川阿坝州九寨沟县4.1级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  60. ↑ "四川阿坝州九寨沟县3.0级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局.
  61. ↑ "四川阿坝州九寨沟县3.4级地震". 中国地震信息网 (in 中文（中国大陆）‎). 中国地震局. Retrieved 2017-08-11.

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