China News Service, Xining, May 28 (Reporter Zhang Tianfu) The Qinghai Provincial People's Government Information Office held a press conference on the earthquake relief of the Qinghai Maduo "5.22" earthquake at 20:00 on the 28th to announce the intensity map of this earthquake to the public. Experts explain why The disaster was severe and casualties were light.
At 2:4 on May 22, a magnitude 7.4 earthquake occurred in Maduo County, Guoluo Tibetan Autonomous Prefecture, Qinghai Province. This is the highest magnitude earthquake in China after the Wenchuan earthquake.
According to Yang Liming, director of the Seismological Bureau of Qinghai Province, the highest intensity of the Qinghai Maduo earthquake was Ⅹ (10 degrees). The macro-epicenter was located in Machali Town, Maduo County, and the micro-epicenter was located in Huanghe Township, Maduo County.
The area of Ⅵ degree (6 degree) area and above is about 53704 square kilometers. The long axis of the intensity circle is northwest west, the long axis is about 381 kilometers, and the short axis is about 165 kilometers. It involves 3 cities, prefectures, 7 counties and 32 towns in Qinghai Province. , Sichuan Province, 1 city, prefecture, 1 county, 4 townships.
Yang Liming introduced that it is located in Xiahongke Township, Shanghongke Township, and Manzhang Township, Dari County, Guoluo Tibetan Autonomous Prefecture, outside of the VI degree (6 degree) area, Xia Zangke Township in Gande County, and Zhiqin Township in Banma County. Jiangritang Township, Yuhuai Township, Bagan Township, Yege Township, Qumahe Township, Qiuzhi Township, Qumalai County, Yushu Tibetan Autonomous Prefecture, and some housing facilities in Wenzhen Town and Xiewu Township of Chengduo County were damaged, Some hidden dangers of geological disasters have increased.
"An outstanding feature of this earthquake is that the disaster was severe and the casualties were light. The reason was that the earthquake fortification intensity in the area was eight degrees. After poverty alleviation and the construction of settlements in farming and pastoral areas, the earthquake resistance was significantly improved. Therefore, collapsed houses accounted for the proportion of collapsed buildings. In addition, the population density is small, which greatly reduces the number of casualties.” Yang Liming said, but the damage to houses is still relatively serious, especially roads, bridges and other infrastructure.
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