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1920年海原地震:1920年12月16日20时5分53秒,宁夏海原县发生震级为8.5级的强烈地震,震中烈度12度,震源深度17公里,死亡24万人,毁城四座,数十座县城遭受破坏。1927年古浪地震:1927年5月23日6时32分47秒,甘肃古浪发生震级为8级的强烈地震,震中烈度11度,震源深度12公里,死亡4万余人。地震发生时,土地开裂,冒出黑水,硫磺毒气横溢,熏死饥民无数。此次地震与海原
1920 Hailai Earthquake: At 20:05:53 on December 16, 1920, there was a strong earthquake of magnitude 8.5 in Haiyuan County, Ningxia. The epicenter intensity was 12 degrees, the focal depth was 17 kilometers, the death was 240,000, and the number of destroyed cities was four. Ten county cities were damaged. Gulang earthquake in 1927: At 6:32:47 on May 23, 1927, a massive earthquake of magnitude 8 occurred in Gulang, Gansu. The epicenter was 11 degrees high and the epicenter was 12 kilometers deep with more than 40,000 deaths. When the earthquake occurred, the land was cracked, black water was emitted, the sulfur gas was overflowing and many people starved to death. The earthquake and Haiyuan