Last night's Sichuan earthquake! Multiple seismic sensations are evident
Quick report parameters
Quick report parameters: According to the official measurement of China Earthquake Networks Center, at 22:40 on September 17, a magnitude 3.4 earthquake occurred in Gaoxian County, Yibin City, Sichuan Province, with the focal depth of 8 kilometers, the epicenter at 28.40 degrees north latitude and 104.59 degrees east longitude.
Basic background
Earthquake epicenter terrain: The average elevation within a 5-kilometer radius of the epicenter is about 531 meters.
Historical earthquakes: According to the quick report catalog of China Seismostation Network, 322 earthquakes with a magnitude of more than 3 have occurred within 200km around the epicenter in the past five years. The largest earthquakes are the 6.0 earthquakes that occurred in Luxian County, Luzhou City, Sichuan Province on September 16, 2021 and the 6.0 earthquakes that occurred in Changning County, Yibin City, Sichuan Province on June 17, 2019. The distribution of the first 50 historical earthquakes according to their magnitude is shown in the figure below.
Multiple seismic sensations are evident
After the earthquake, many netizens in Sichuan, Yunnan, and Chongqing expressed a clear sense of the earthquake.
Wishing you peace!