In 1986, Liu Cheng-chang published a series of papers on “A New Approach in Predicting Different Types of Natural Disasters”. 

The 24 solar terms inherited from ancient Chinese science culture is result of long-term observation and practice by ancient scientists, they represent integration between astronomical phenomena，weather and terra phenomena when the Earth revolutes to a specific position. 

Enlightened by these precedents, and upon long-term analysis and sum up of different types of natural disasters, Liu discovered that natural phenomena of EQs, volcanos, landslides, floods, heavy storms, and various “man-caused disasters’, I.e. coal mine gas explosion accidents, forest fires, certain mystery air crashes, etc., they seem to be not related with each other, but actually interrelated in both space wise as well as time wise, which move and develop in certain directions with unexplained rhythms. 

From a quantitive point of view, the development of EQs, volcanos, structural landslides, etc., all are mainly releases of energy, but adopting different forms. 

These different Sun terms, although their corresponding positions on the Earth’s revolution orbit are different, they form into a series of symmetric positions, and repeat in specific sequence. 

As soon as dramatic abnormalities occur, they will cause chain reactions, and cause a series of disasters. Thus, all disastrous changes in nature, are closely related with comprehensive effects caused between celestial bodies in the universe, and are not isolated events. 

During 1983 ~ 1984, Liu conducted careful studies of EQs, landslides, mudflows, Yellow River floods, heavy storms, hails, heavy snow, etc.. From comprehensive analysis of these natural disaster events, Liu summarized the relativities between them, and then used such relativities to predict further other disasters.

10.1. Three types of relativities between different types natural disasters – Studied by Liu Cheng-chang (1986)

Fig. 17 The symmetric and repeatability relativity between different types of natural disasters

1) Symmetric:

6 months difference 

Certain natural disasters tend to occur 6 months later than other disasters. 

The Earth is in symmetric position of its revolution ellipse orbit around the Sun.

2) Repeatability: Same or very close day, later years: 

Certain natural disasters tend to occur on the same day of later years.

-- 1966.08.08 Mudslide, Lanzhou Yanchang

-- 1978.08.07 Very strong storm, strongest in 50 years.

-- 1978.08.07 Land slide, Xigu Changwan

-- 1979.08.10 Land slide, Yongqing, Yangda

-- 1984.08.08 Land slide, Lixian Guyang Village 

The Earth is in same position of its revolution ellipse orbit around the Sun.

3) Moon – Earth relativity (Moon phases) 

Occur later (a few months, a few years) on the same day of a lunar month (not necessary the same lunar month).

Fig. 18 Moon – Earth relativities (Moon Phases) between different natural disasters

Similar relativities discovered between disasters in China and abroad in different years: 

1967.01.27: Apollo No.1 space shuttle explosion accident, 3 astronauts killed in the shuttle before launched. 

1976.07.28 (6 months later of a later year): The disastrous Tangshan Ms7.8 EQ killed 240,000 people. 

1986.01.28 EQ Ms5.0 Guangdong Yangjiang 

1986.01.28 Challenger explosion just after launch, 7 astronauts killed.

Note: Liu points out that the Colombia space shuttle accident on 2003.02.01 (1st of lunar month) is only 3 days later in Earth’s revolution orbit around the Sun, and only 2 – 4 days later in Moon phase, compared with the Apollo and Challenger case.

10.2. Comet cycles and natural disasters – Studied by Liu Cheng-chang (2000)

Fig. 19 Halley comet Earth approaching/leaving cycle and certain natural disasters

1) Halley comet cycle and natural disasters (above illustration).

2) Temple-Tatert comet cycle and strong EQs:

Liu stresses: 

The Temple-Tatert comet revolutes around the Sun along an ellipse orbit against revolution direction of the Earth, cycle time about 33 yrs. 

Angle between its orbit and ecliptic surface 162.7. 

When it approaches closest point to the Sun, it is also closest to the Earth, thus causes various effects to the Earth.

10.3. Studies on the EQ occurrence cycles between the strongest Ms8.0 EQs in China

Liu paid special attention to the closest to Earth dates of this comet and the strongest historical =/>Ms7.5-8.0 EQs in China. 

1303.09.17: Shanxi Hongdong EQ Ms8.0 

1604.12.29: Fujian Quanzhou EQ Ms8.0 

1668.07.25: Shandong Yancheng EQ Ms8.5 

1695.05.18: Shanxi Linfen EQ Ms8.0 

1739.01.03: Ningxia Yinchuan EQ Ms8.0 

1833.09.06: Yunnan Songming EQ Ms8.0 

1867: Taiwan Volcano in sea 

1902.08.22: Xinjang Ashtu EQ Ms8.3 

1927.05.23: Gansu Gulang EQ Ms8.0 

1931.08.11: Xinjiang Fuyun EQ Ms8.0 

1999.11.14: Qinghai Ruoqiang EQ Ms8.1

10.4. Common Multiples of “Long-term EQ Cycles” -- Studies by Liu Cheng-chang in 1979 – 1980s

Fig. 20 The ancient Luoshu manuscript. 

From studying Luoshu (6000 yrs ago) and Zhouyi (over 3000 yrs ago), outstanding work of ancient Chinese researchers, Liu paid Full attention to the astronomy significance of combined numericals of 19, 25, 50, 75, 252 listed in such ancient work: 

19 yrs ≈18.6 yr Cycle: The cycle during which the cycle of solar eclipse and Moon eclipse repeat again. It actually is the most basic repeating cycle of the comparative positions between the Sun, Earth and Moon.

Fig. 21 Mathematic symbols quoted from ancient Zhouyi 

25 yrs Cycle: The duration between the beginning and ending time between Sunspot double peak years and double valley yrs.

50 = 25 x 2; 75 = 25 x 3

252 = 19 x 8 + 4 x25 = 19 x 8 +25 + 50 + 25 =19 x 8 + 25 + 75

Note: 252 contains year cycles of 19, 25, 50 and/or 75 years. 

Bi Fu-zhi, another researcher, Seismology Bureau, discovered a long-term weather variation cycle of about 250 years in China from formation of lagune rock. This corresponds with the above 252 yrs cycle.

10.5. What is the reason behind the 252, 75, 50, 25 & 19 yrs cycles discovered by Liu between the 16 strongest EQs ≥Ms8.0 during 1303-1951?

The strongest EQs >Ms8.0 in China 1303 - 1951 and time interval between some of these EQs, showing long term cycles of 19, 25, 50, 75 and their combinations.

Fig. 22 The location, occurrence dates and certain occurrence date intervals between the 16 strongest EQs ≥Ms8.0 during 1303-1951

Table 19 The 252, 75, 50, 25, 19 year occurrence date intervals between the 16 strongest EQs ≥Ms8.0 during 1303-1951

10.6. Relativities between EQs >Ms8.0 in China and Earth – Sun/ Moon Phase relativities -- Studies by Liu Cheng-chang (1979 - 1980)

Fig. 23 Most EQs >Ms8.0 in China show obvious relativities with Earth Sun Earth’s revolution position around the Sun) and/or Moon Phase.

10.7. Network of “Effect Lines” -- Studies by Liu Cheng-chang (1990) 

Based on long-term comprehensive analysis of the space – time characteristics of various kinds of natural disasters, i.e. EQs, volcanos, landslides, floods, heavy storms, and various “man-caused disasters’, i.e. coal mine gas explosion accidents, forest fires, certain mystery air crashes, etc, Liu further discovered that the occurrence location of most such natural disasters seem to fall into some space – time sequence pattern.

Fig. 24 A network of “Effect Lines” proposed by Liu in 1990

Two series of “Effect Lines” form this network, one series in NW-SE direction, and the other in NE-SW direction.

Fig. 25 “Effect Lines” proposed by Liu Cheng-chang corresponding to strong snow/rain storms (March – July, 1990)

Fig. 26 “Effect Lines” proposed by Liu Cheng-chang corresponding to EQs in Gansu Province 1982 - 1990 

Total 22 EQs >/=Ms5 occurred in Gansu province during April 1982 – Oct. 1990. 

According to relativities with Earth revolution around Sun, Moon phases, and “Effect Lines”, in Sep. 1983, Feb. 1984, and Oct. 1990, Liu predicted high EQ activity risk Areas I, II, III, IV and V. 

An EQ >Ms5.0 later occurred in Area I, and an EQ >Ms6.0 later occurred in Area II.

☞ Next Section-->11. The Principals of Geodynamics Composition Actions -- Studies by Zhang Jia-xiang (1987 -)

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