China Earthquake Administration releases a 5.5 magnitude earthquake intensity map for the Shandong Plain, square kilometers | area | Shandong
At 2:33 am on August 6, 2023, a 5.5 magnitude earthquake occurred in Pingyuan County, Dezhou City, Shandong Province. After the earthquake, in accordance with the deployment of the Ministry of Emergency Management, the China Earthquake Administration organized the Shandong Provincial Seismological Bureau to carry out emergency response work. According to the "Earthquake Site Work Part 3: Investigation Specification" and the "China Earthquake Intensity Scale", the intensity distribution of the earthquake was determined through the investigation of earthquake damage in the disaster area, and the comprehensive application of scientific and technological support achievements such as instrument intensity, seismic structural background, aftershock distribution, and source mechanism. The intensity distribution of the earthquake was determined, and the "Shandong Plain 5.5 Seismic Intensity Map" was compiled in accordance with the "Seismic Intensity Map Mapping Specification".
Seismic intensity distribution
The highest intensity of this earthquake is VII, and the major axis of the isoseismic lines runs northeast, with a major axis of 24 kilometers and a minor axis of 12 kilometers. Zone VI and above covers an area of approximately 224 square kilometers, covering 9 townships in 2 districts and counties of Pingyuan County, Dezhou City, Shandong Province, including Wangdagua Town, Encheng Town, Wanggaopu Town, Santang Township, Longmen Street, Taoyuan Street, Yaozhan Town, Wangmiao Town, and Huangheya Town in Decheng District.
The seventh degree area covers an area of approximately 22 square kilometers, with an abnormal area of approximately 0.83 square kilometers. The seventh degree district mainly involves four townships, including Wangdagua Town, Encheng Town, Wanggaopu Town, and Longmen Street.
The VI degree district covers an area of approximately 202 square kilometers, mainly involving 9 townships in Pingyuan County, including Wangdagua Town, Encheng Town, Wanggaopu Town, Santang Township, Longmen Street, Taoyuan Street, Yaozhan Town, Wangmiao Town, and Huangheya Town in Decheng District.
![China Earthquake Administration releases a 5.5 magnitude earthquake intensity map for the Shandong Plain, square kilometers | area | Shandong](https://a5qu.com/upload/images/5f736e83261b2c7e5e82f85b38e98fc8.jpg)
In addition, some towns and other areas located outside the VI degree zone have also been affected, and some old houses have been damaged or damaged.
This picture involves the explanation of terms
Grade VII: A small number of brick and wood structure houses are severely damaged and destroyed, while the majority are moderately or slightly damaged; A small number of brick and concrete structure houses are slightly damaged, while most are basically intact; Unprotected brick and concrete structure houses have a few moderate damages, most minor damages, and are basically intact; Individual minor damage to reinforced concrete frame structure houses.
VI degree: Brick and wood structure houses have a few minor and moderate damages, and most are basically intact; A few or a few brick and concrete structure houses are slightly damaged, while the vast majority are basically intact; Unprotected brick and concrete structure houses have a few minor and moderate damages, while most are basically intact.