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Evidence of Tunguska-Type Impacts Over the Pacific Basin -circa 1178 CE

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Author Topic: Evidence of Tunguska-Type Impacts Over the Pacific Basin -circa 1178 CE  (Read 150 times)
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« on: June 15, 2007, 09:53:10 pm »

5. Arguments from South America

In South America we first observe, at the time under discussion, the rather sudden demise of the great coastal civilizations (Mochicas, Chimus,...), that, inter alia, had build huge pyramids (the largest of the Tucume pyramid, near the northern Peru town of Lambayeque, had a square basis with a side of about 800 meters; while only about 70 meters high, its total volume was about 30% greater than that of the great Giza pyramid) and a complex system of canals for irrigation. The demise was sudden and without recovery. It was also associated to substantial ruin of the pyramids, by evident erosion by flood (the pyramids were not build in stone but with compacted soil), and of the irrigation system.

Secondly, we observe, immediately following the demise of the coastal civilization, the rise, in the high Andine range, of the new Incas civilization. The Incas, in the course of three centuries, till they collapsed under the Spaniard aggression, probably benefiting to a large extent of the construction techniques previously developed by the coastal people, founded a great empire extending from present Colombia to Chile, well connected by an efficient road system. The Incas royal family claimed a very ancient origin and also differenciated itself from the common people by the use of a special form of language (the royal Quechua). According to a recently found manuscript dated to the year 1611 and containing information attributed to Blas Valera, (see Laurencich Minelli et al. [14]), a Jesuit with a Spanish father and an Incas mother, the Incas royal family traced its origin to the 6th century (quite intriguingly, a time of great cometary activity and of the Justinian plague), when two groups of migrating people are claimed to have reached South America, one from the West (Tartaria) and one from the East, these last people being called Viracochas and being white dressed. A fighting followed their meeting and most of the Viracochas were killed. The royal Incas family descended from intermarriages between the people from the West and the surviving Viracochas.

The development at this time, after the collapse of the coastal civilization, of a civilization of essentially high mountains can be intriguingly explained if the coastal civilization was destroyed by a natural catastrophical event, like a great tsunami, which scared enormously the survivors and the neighbouring people. The coastal area was then abandoned and the civilization restarted on higher, presumibly safer, land. Effects of wheather changes, e.g. drier conditions along the coast, may also have contributed to this geographical displacement.

Thirdly, analysis of past El Niņo behaviour indicates unusual conditions at the time under consideration. Information on past intensity of El Niņo can be obtained by analysis of the oceanic sediments, particularly by the relative abundances of certain shellfish which develop only when the water temperature rises above a certain level (the El Niņo current is cold, so a strong El Niņo wipes out most of this shellfish). Recent analysis, see Heyerdahl [15], has shown that El Niņo activity has dramatically peaked around the middle of the 12th century. An unusually strong El Niņno not only would result in a disruption of the normal local Pacific fauna, but would provoke very strong torrential rains over the usually dry Peruvian coastal region. This may have been the main cause of the observed strong erosion of the Tucume pyramids and a factor for disruption of the local irrigation system. We however suspect that the demise of the coastal civilization has to be related to a very dramatic and killing tsunamic wave.
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