Answer netizens’ questions about the 3.3-magnitude earthquake in Xuzhou, Jiangsu Province on February 5, 2022

2022-04-29 0 By

According to the China Earthquake Administration, a 3.3-magnitude earthquake occurred at 22:13 on February 5, 2022 in Tongshan district of Xuzhou city, Jiangsu Province, with a focal depth of 10 kilometers. The earthquake was strongly felt in Xuzhou city, Jiangsu Province, and xiaoxian county, Anhui Province.About this earthquake we collected the question that the netizen puts forward to answer centrally.1. Q: Is the 3.3 magnitude earthquake that occurred in Tongshan District of Xuzhou City, Jiangsu Province on February 5 a precursor to a major earthquake?Will there be a bigger earthquake in Xuzhou, Jiangsu province in the near future?A: Based on our analysis, we concluded that the magnitude-3.3 earthquake in Tongshan District, Xuzhou City, Jiangsu Province on February 5 was not a bigger precursor. Based on the earthquake precursor data currently monitored, we concluded that there will not be a destructive earthquake of magnitude-5 or above in Xuzhou, Jiangsu Province in the near future.2. Q: Was the 3.3-magnitude earthquake in Tongshan district, Xuzhou City, Jiangsu Province on February 5 an earthquake in the unearthquake area of the four major earthquake regions in China predicted by Li Siguang?A: In recent years, the rumor that Li Siguang predicted four major earthquakes in China was fabricated by netizens.Li Siguang did not predict the four major earthquakes in China.3. Q: Which fault zone is the location of the 3.3 magnitude earthquake that occurred in Tongshan district, Xuzhou City, Jiangsu Province on February 5?Is it related to tanlu fault zone?A: The 3.3-magnitude earthquake in Tongshan district of Xuzhou City, Jiangsu Province on February 5 is located at the intersection of the Waste Yellow River fault zone and the Muji-Liuji fault zone.The tancheng-Lujiang fault zone is located in xinyi City, east of Xuzhou City, Jiangsu Province. The 3.3 earthquake in Xuzhou is located in Tongshan district, west of Xuzhou city, so the earthquake and tancheng-Lujiang fault zone is not related.4. Q: Why was the tremor felt so strongly in Xuzhou, Jiangsu province on February 5 when a 3.3 magnitude earthquake struck?A: the earthquake belongs to the city under the straight type, city straight down type earthquake below refers to the earthquake epicenter is located in the city or cities at the bottom of the seismic activity, the conditions of the earthquake is that there needs to be fault zone after just below the city and xuzhou below the waste of the Yellow River fault zone, so due to the waste of the Yellow River fault zone activity induced by the 3.3 -magnitude earthquake in xuzhou, jiangsu.In addition, the earthquake occurred in the dead of night, coupled with the earthquake epicenter distance from the city of Xuzhou city is relatively close, and the focal depth is shallow, so the earthquake feeling in Xuzhou city is stronger.