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Meteorite Strikes, Setting Off a Tsunami: Did It Happen Here?

Posted December 31, 2008 9:01 AM

From NYT > Science:

The tsunami washed over Fire Island and, to the west, waves perhaps as high as 20 feet spilled into Lower Manhattan. The furious onrush of water left sediment a foot and a half deep on the Jersey Shore, and debris cascaded far up the Hudson River. No, there's no need to rush to higher ground, commandeer a rowboat in Central Park or empty the closet to grab the rubber boots. This disaster occurred about 2,300 years ago, though how bad it was, or even if it was a tsunami, remains in dispute.

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Guru
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#1

Re: Meteorite Strikes, Setting Off a Tsunami: Did It Happen Here?

01/05/2009 12:55 PM

The lack of a crater could merely indicate an oceanic impact site, which would be difficult to find. The lack of Native American tribal legends could merely indicate the lack of survivors in the immediate vicinity. The presence of unusual sediment layers, microdiamonds, and other telltale evidence reminds me of the cat with feathers around its mouth and an empty birdcage.

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Guru

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#2

Re: Meteorite Strikes, Setting Off a Tsunami: Did It Happen Here?

01/05/2009 6:26 PM

If there are multiple measurements of sediment thickness and size of pebbles then it should be possible to estimate the impact location.

RHABE

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