Learn From The 7.8 Tangshan Earthquake

Twenty four years ago, or on July 28, 1976, a M7.8 earthquake occurred in Tangshan, Hebei Province, China, at 3:43 A.M. (LT), killed 242,000, and seriously injured 164,000 people. According to the geodetic data, Chinese scientists predicted this quake in 1970, but the delay from 1970 to 1976 was too long for the scientists to tolerate. When they did not pay more attention on it, it came. What can we learn from this event? I think that first, geodetic precursor does not have a reliable, limited time window, so it is not good for short term prediction. Ignoring this fact, some seismologists still favor in this precursor. For example, American scientists set up an instrument made in Italy in a satellite to measure the relative motion between two plates for short term prediction, and announced their upcoming success on L.A.Times in 1992. They also set up a new one in 1997, but neither is successful. Second, the Tangshan earthquake has an interesting character of no foreshock. Standing on a cold model that an earthquake is just a sudden break, someone doubts the fact. Thus, I would like to show another evidence that the 6.2 Eureka, Southern California earthquake (37.17N, 117.77W) on May 7, 1993 does not have foreshocks for 1,086 days under an excellent condition in the USA. However, Japan disregarded this character, and cost 4.4 billion Japanese Yan to set up nine instruments under the Suruga Bay near Tokyo in March, 1996, but they are unsuccessful. Third, the Tangshan earthquake reveals many phenomena linking to geothermal energy, about which I already translated some into my two articles (1),(2). Finally, the Tangshan earthquake devastated a large area. Some buildings even in Beijing, 160 km or 100 miles away from Tangshan, were broken, so it is better to think about that if a M7 occurs near us, what can we do? For example, if the cloud, 520 km long, in Image 20000616 15:00 (Fig. 1 ) indicates an impeding M7, what people in Southern California could prepare. Another example is that if the seismic activity near Tokyo goes up ( Fig. 2 ), what Japanese people can do. According to my prediction practice, I think it is possible to avoid an earthquake disaster under modern technology if all of us combine together against it. The problem is that many hopeless precursors, without a reliable short-term time window, occupy almost all of budgets in the world. On the other hand, earthquake clouds, a reliable precursor having a 52-day time window, does not obtain any support. If this inversive state still exists, tax will waste continuously, and new Tangshan tragedy will happen again and again in the world. Learning from the 7.8 Tangshan earthquake, I suggest that all of us combine together against new disaster.

Evidences and References

Earthquake Clouds, a reliable precursor Chinese People Struggle Against Earthquake Disaster Fig. 1 20000616 15:00 Fig. 2 20000602 3:00

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