1975 Haicheng earthquake
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1975 Haicheng earthquake
Coordinates: 40°51′N 122°45′E / 40.85°N 122.75°E
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| Date | February 4, 1975 |
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| Magnitude | 7.3 Ms |
| Epicenter | Haicheng, Liaoning |
| Countries or regions |  China |
| Tsunami | None |
| Casualties | 1,328 killed |
The 1975 Haicheng earthquake measuring 7.3 on the Richter Scale occurred at 19:36 CST on February 4, 1975 in Haicheng, Liaoning, China, a city that at the time had approximately 1 million residents.
Local political leaders ordered evacuations a day before the earthquake took place. This successful evacuation saved many lives.[1] This was the only successful evacuation before a devastating earthquake in history. In the years, months and weeks leading up to the event various phenomena were reported which could be interpreted as precursors to an earthquake, including strange animal behavior.[2] There are some claims that the amateur reports of strange animal behavior aided in the prediction of the earthquake. The validity and accuracy of these reports is questionable[3] as it was the foreshock sequence that damaged some buildings and frightened the population and their leaders enough to evacuate.[1][4]
References
- ^ a b Wang, K. (2006). "Predicting the 1975 Haicheng Earthquake". Bulletin of the Seismological Society of America 96 (3): 757–795. Bibcode 2006BuSSA..96..757W. doi:10.1785/0120050191. http://www.sciencenet.cn/upload/blog/file/2008/6/200861418434216280.pdf. Retrieved 6 November 2011.
- ^ Wu, K.-T.; et al. (1991). "Case 2: Foreshocks to the Haicheng earthquake of 1975. Certain characteristics of the Haicheng earthquake (M=7.3) sequence". In Wyss, M.. Evaluation of Proposed Earthquake Precursors. American Geophysical Union. pp. 12–14. doi:10.1029/SP032p0012.
- ^ Shou, Z.H. (1999). "The Haicheng Earthquake and Its Prediction". Science and Utopya 65: 34. http://www.earthquakesignals.com/zhonghao296/A010720.html. Retrieved 6 November 2011.
- ^ Mott, M. (November 2003). "Can Animals Sense Earthquakes?". National Geographic News. Archived from the original on 11 June 2008. http://news.nationalgeographic.com/news/2003/11/1111_031111_earthquakeanimals.html. Retrieved 23 June 2008.
Further reading
- Susan Elizabeth Hough (2009). Predicting the Unpredictable: The Tumultuous Science of Earthquake Prediction. pp. 272. ISBN 9780691138169. http://books.google.cl/books?id=qegIxnTcUccC&pg=PA58.
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