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A 4.0-magnitude earthquake struck Qingchuan County, Guangyuan City, Sichuan Province

author:Quake knows

According to the official measurement of the China Earthquake Observatory Network, a 4.0-magnitude earthquake occurred at 5:52 a.m. on January 20 in Qingchuan County, Guangyuan City, Sichuan Province, with a focal depth of 10 kilometers, and the epicenter was located at 32.34 degrees north latitude and 105.13 degrees east longitude.

A 4.0-magnitude earthquake struck Qingchuan County, Guangyuan City, Sichuan Province
A 4.0-magnitude earthquake struck Qingchuan County, Guangyuan City, Sichuan Province

The villages within 5 kilometers of the earthquake are Anziping, Dapingshan, Sanfeng Village, Xinmin Village, Yangjiahe, Jiulingzi, Tieshenzhai, Xietaipo, Wujiaping, Yanbeishan, and the townships within 20 kilometers include Shiba Township, Guanzhuang Town, Liangshui Town, Quhe Township, Dayuan Hui Township, Qifo Township, Fangshi Town, and Zhuyuan Town.

A 4.0-magnitude earthquake struck Qingchuan County, Guangyuan City, Sichuan Province

The epicenter is 29 kilometers away from Qingchuan County, 38 kilometers away from Jiange County, 57 kilometers away from Pingwu County, 68 kilometers away from Lizhou District, 75 kilometers away from Jiangyou City, 68 kilometers away from Guangyuan City, and 213 kilometers away from Chengdu City.

A 4.0-magnitude earthquake struck Qingchuan County, Guangyuan City, Sichuan Province

The average altitude within 5 kilometers of the epicenter is about 1088 meters.

A 4.0-magnitude earthquake struck Qingchuan County, Guangyuan City, Sichuan Province
A 4.0-magnitude earthquake struck Qingchuan County, Guangyuan City, Sichuan Province

According to the China Earthquake Observatory Network Express Catalogue, there have been 118 earthquakes of magnitude 3 or above in the past 200 kilometers around the epicenter, and the largest earthquake was a 7.0 magnitude earthquake (156 kilometers away from the epicenter) that occurred in Jiuzhaigou County, Aba Prefecture, Sichuan Province on August 8, 2017, and the distribution of the top 50 historical earthquakes according to the magnitude of the earthquake is shown in the figure.

A 4.0-magnitude earthquake struck Qingchuan County, Guangyuan City, Sichuan Province

Qingchuan County belongs to Guangyuan City, Sichuan Province, located on the northern edge of the Sichuan Basin, the lower reaches of the Bailong River, and the junction of Sichuan, Shaanxi and Gansu Provinces, known as the "Golden Triangle". Qingchuan County has a complex geological structure, the terrain is slightly crescent-shaped, mainly in the middle of the mountain, the terrain is high in the northwest and low in the southeast, the climate is mild and humid, and the mineral resources are rich. The county covers an area of 3,216 square kilometers, has jurisdiction over 10 towns and 26 townships, has a population of 240,000 in 2014, and a GDP of 2.7 billion yuan in 2014.

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