Definition of "Haiyuan"

After interviewing older people and gathering information from many available sources, the scientists presented a preliminary report identifying 58 kinds of domestic and wild animals that had shown unusual activities before those earthquakes. As an example, one chapter of the report describes that before the magnitude 8.5 earthquake, China’s largest, struck in Haiyuan County, Ninghsia Province, northwestern China, in 1920, wolves ran about in packs, sparrows flew around wildly, and dogs barked in a most unusual way.

1978 November-December, Ling-huang Shen, “Can Animals Help to Predict Earthquakes?”, in Earthquake Information Bulletin‎, volume 10, number 6, United States Geological Survey, pages 232–233

In Tunghsin and Haiyuan counties north of the Liupan Mountains the Red Army helped the Hui people set up the Yuhai Hui Autonomous Government in August 1936, the first self-governing Hui power in Chinese history.

1979 February, Yu-huai Ma, “Twenty Years of the Ningsia Hui Autonomous Region”, in China Reconstructs‎, volume XXVIII, number 2, Peking, page 34, column 2

– China, 1920: up to 235,000 reported killedThis earthquake, measured at 8.3, hit the Haiyuan county of the northern province of Ningxia and caused aftershocks for several years.

2017 September 8, “Most powerful and deadly quakes of the past 100 years”, in Al Jazeera‎, archived from the original on 25 June 2021‎

His cousin, a contractor who led him to the job three years ago, only started working last week after the Lunar New Year break, said Zou, who hails from a village in Haiyuan county, Ningxia, in China’s northwest.

2020 May 3, Mandy Zuo, “Food delivery jobs put bread on the table for Chinese confronted with pandemic crisis and unemployment”, in South China Morning Post‎, archived from the original on May 03, 2020, Society‎