CCTV News: According to the WeChat official account of China Earthquake Network, according to the official measurement of China Earthquake Network, a magnitude 3.1 earthquake occurred in Zizhong County, Neijiang City, Sichuan at 16:34 on April 12, with a depth of 8 kilometers. The epicenter was located at 29.64 degrees north latitude and 104.80 degrees east longitude.
Fundamental Background
Epicentenary Topography: The average altitude within 5 kilometers of the epicenter is about 417 meters.
Historical Earthquakes: According to the China Earthquake Channel Network Speed Report Directory, there have been 213 earthquakes of magnitude 3 or above within 200 kilometers around the epicenter in the past five years. The largest earthquake was a magnitude 6.0 earthquake that occurred in Lu County, Luzhou City, Sichuan on September 16, 2021 (72 kilometers away from this epicenter). The distribution of the first 50 historical earthquakes according to the magnitude is shown in the figure.
