●1303 On September 17, earthquakes occurred in Hong Tong and Zhao Cheng. This is the first time in China's history that a major earthquake has been described in detail. The earthquake "caused hundreds of thousands of bad officials and people to leave their homes", "villages and castles moved, the ground cracked into canals, and the people were crushed to death beyond calculation". The amplitude is about 8 or more.
●1556 65438+1On October 23rd, an earthquake occurred in Huaxian County, Shaanxi Province. This is the deadliest earthquake in China's history. "Officials, soldiers and civilians killed a total of 830,000, which is really amazing." The long axis of this seismic belt is consistent with the direction of Weihe graben. The estimated magnitude is about 8 or greater.
●1605 On July 13, an earthquake occurred in Qiongshan, Guangdong. According to historical records: "The great earthquake at sea, from the northeast, sounded like thunder, and the houses in the department collapsed, killing thousands of people in the city." The estimated magnitude is above 7.5, which is the largest earthquake in the history of Hainan Island.
● On July 25th, 1668, an earthquake occurred in Juxian County and Tancheng City, Shandong Province. This earthquake is one of the largest in China's history, with an estimated magnitude of 8.5. According to records, "gatehouses, official residences, private houses and village temples collapsed for a while."
●1On September 2, 679, earthquakes occurred in Sanhe and Pinggu, Hebei Province. This is the largest earthquake in history near Beijing, with an estimated magnitude of 8. The epicenter was split ⅶ degrees, and the damaged area was 500 kilometers long. The Forbidden City in Beijing was severely damaged.
●1695 On May 18, an earthquake occurred in Linfen, Shanxi. The magnitude is estimated at 8. The epicenter intensity is strong, and the damage area is as long as 500 kilometers. An earthquake of magnitude 8 occurred again near the epicenter of the earthquake of magnitude 8. The previous earthquakes were 1303 Hong Tong earthquake and Zhao Cheng earthquake.
●1On August 2, 733, an earthquake occurred in Dongchuan, Yunnan. The magnitude is estimated to be 7.5, which is the most detailed earthquake recorded in the historical data of China earthquake. After the earthquake, the city wall battlements were "nine damaged in the north and south, and six preserved in the east and west, which was both restrained and strange".
●1739 65438+1On October 3rd, earthquakes occurred in Pingluo and Yinchuan, Ningxia. The magnitude is estimated at 8. It is reported that in some towns near the Yellow River, after the earthquake, the ground fissures "gushed water, and the river flooded into the city. Wang Yang was four or five feet deep, and many people froze to death and drowned".
On September 6th, 1833, an earthquake occurred in Songming, Yunnan. The magnitude is estimated to be 8, the epicenter intensity is VII, and the radius of damage range is 260 kilometers.
● 1867 65438+February18, an earthquake occurred off Keelung, Taiwan Province Province. This is the largest earthquake that triggered a tsunami in the history of China earthquake. The magnitude is estimated at 6. "The coastal mountains cracked, the sea surged, houses collapsed and hundreds of people drowned."
●65438+65438 0920+ 16 In February, an earthquake of magnitude 8.5 occurred in Haiyuan County, Ningxia. The epicenter intensity was 12 degree, and the focal depth was 17 km. 240,000 people were killed, 4 cities were destroyed and dozens of counties were damaged.
●1On May 23rd, 927, an earthquake of magnitude 8 occurred in Gulang, Gansu. The epicenter intensity was 1 1 degree, the focal depth was12km, and more than 40,000 people died.
●1931August 1 1 day, an earthquake occurred in Fuyun, Xinjiang. The magnitude of the earthquake is 8, and the epicenter intensity is VII. A 170 km long fault zone was formed in the epicenter, with a maximum amplitude of 20 meters. This is the largest earthquake known in China.
●1On August 25th, 933, an earthquake of magnitude 7.5 occurred in Diexi Town, Maoxian County, Sichuan Province, with the epicenter intensity of 10 degree, and Diexi Town was destroyed. When the earthquake happened, the yellow fog vomited, the battlements disappeared, the Minjiang River was cut off, and the dam was built into a lake.
● On April 2 1 0935, an earthquake occurred in Miaoli, Taiwan. The magnitude is 7. 1, which is the most destructive earthquake in Taiwan Province province. The ground caused a fault about 37 kilometers long.
On August1950 15, a strong earthquake of magnitude 8.5 occurred in Chayu County, Tibet. The epicenter intensity was 12 degrees, and nearly 4000 people were killed.
● 1962 March19, an earthquake occurred in Heyuan, Guangdong. The magnitude is 6. 1, which is the first reservoir-induced earthquake in China.
●1In March, 966, an earthquake occurred in Xingtai, Hebei Province. It consists of two major earthquakes: on March 8, a magnitude 6.8 earthquake occurred in Longyao County, Xingtai; On March 22nd, a magnitude 7.2 earthquake occurred in Ningjin County, Xingtai. Two earthquakes killed 8064 people and injured 38000.
●1970 65438+1On October 5th, a magnitude 7.7 earthquake occurred in Tonghai County, Yunnan Province. The epicenter intensity 10 degree, focal depth 10 km, 1562 1 people were killed and 3243 1 people were disabled.
●1On February 4th, 975, an earthquake occurred in Haicheng, Liaoning. The magnitude of the earthquake is 7.3, and the epicenter intensity is strong. This is the first time that China has successfully predicted a major earthquake of magnitude 7 or above.
●1On July 28th, 976, an earthquake of magnitude 7.8 occurred in Tangshan and Fengnan, Hebei Province. It caused 242,000 deaths and 6.5438+0.64 million serious injuries.