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Article: <5g95oa$sm7@sjx-ixn8.ix.netcom.com> 
From: saquo@ix.netcom.com(Nancy )
Subject: Re: TUNGUSKA
Date: 13 Mar 1997 15:16:26 GMT
In article <5ftesp$gac@news.ccit.arizona.edu> Jim Scotti writes:
> There were no traditional earthquakes after the blast - the 
> ground shaking was caused by the blast itself and by the 
> sounds generated by the meteor as it entered the atmosphere
> at hypersonic speeds before it exploded. And there were
> none of your "fore shocks" prior to the blast.
> jscotti@LPL.Arizona.EDU (Jim Scotti)
(Begin ZetaTalk[TM])
You're an earthquake expert now? How do you differentiate a "traditional" earthquake 
from a nontraditional earthquake? Do they come with little tags on? How many types of 
earthquakes ARE there? We have them differentiated by size, Richter Scale, and depth as it 
shallow or deep quakes, but NOT by whether they are "traditional" or not. You're dealing 
with a remote area of frozen tundra, sparsely populated. You don't today capture 
earthquakes that happen in remote places unless they reach a recording station! Why is it 
that all the earthquakes that get reported are all over land, unless they are so large that they 
happen under the seas and roll ONTO land? Do you hear about the 3.5 Richter Scale 
earthquakes in the mid-Pacific? 
You can't VALIDATE your statements that there were no fore-shocks. You can't prove a 
negative! In fact, most major earthquakes are preceded by minor fore-shocks that happen 
for days and weeks ahead. Increasing activity that those monitoring earthquake stations use 
as a signal that a big was is coming. These are almost invariably small earthquakes, the 
signal being their increasing frequency, NOT their size. As a final point, our statement was 
that the break, over a broad area of tundra, was caused by twisting and slippage, not jaring. 
Slippage is a gentler earthquake than head butting, but for a flat frozen permafrost, would 
create the fracture line that could allow gas to hiss out. Does a plane of glass allow 
slippage of parts of its surface? ANY movement creates a fracture.
(End ZetaTalk[TM])