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#1
January 10th 05, 10:54 AM
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Likely, but not correct. Tidal Waves are large waves caused by normal tides. Tidal wave: "an exceptionally large ocean wave, esp one caused by an underwater earthquake or volcanic eruption ... cf tsunami:" -- Shorter Oxford English Dictionary. Tsunami is of fairly recent vintage in the English language (late 19th century). It means "harbor wave" in Japanese, so in truth is no more accurate than the English term. I suspect it got into common use as a result of scientists' fondness for foreign words and phrases. A large wave caused by a normal tide is a "bore" in this part of the world. Dunno about elsewhere. -- all the best, Dan Ford email (put Cubdriver in subject line) Warbird's Forum: www.warbirdforum.com Piper Cub Forum: www.pipercubforum.com the blog: www.danford.net 
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#2
January 11th 05, 08:56 AM
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On Mon, 10 Jan 2005 05:54:07 -0500, Cub Driver
wrote: Likely, but not correct. Tidal Waves are large waves caused by normal tides. Tidal wave: "an exceptionally large ocean wave, esp one caused by an underwater earthquake or volcanic eruption ... cf tsunami:" -- Shorter Oxford English Dictionary. Tsunami is of fairly recent vintage in the English language (late 19th century). It means "harbor wave" in Japanese, so in truth is no more accurate than the English term. I suspect it got into common use as a But it is accurate. The Tsunami, or Tidal Wave if you prefer, is almost invisible out in open water. It only manifests its nasty side and size when it reaches relatively shallow water. In open water you most likely would never have known the thing even went by even at 500 MPH. result of scientists' fondness for foreign words and phrases. A large wave caused by a normal tide is a "bore" in this part of the world. Dunno about elsewhere. I've always thought they were exciting rather than a bore. :-)) Incidentally, I believe there are the indications of some tremendous waves having hit the northern parts of Australia. They would be what are referred to as Super Tsunamis with heights of several hundred meters. I don't believe any were in recorded history though. Roger Halstead (K8RI & ARRL life member) (N833R, S# CD-2 Worlds oldest Debonair) www.rogerhalstead.com -- all the best, Dan Ford email (put Cubdriver in subject line) Warbird's Forum: www.warbirdforum.com Piper Cub Forum: www.pipercubforum.com the blog: www.danford.net
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