PSN-L Email List Message

Subject: Chicxulub...mag 12-13 Impact energy
From: meredith lamb mlamb1@..........
Date: Wed, 21 Jun 2000 20:17:55 -0700

Hi all,

Noted a mention to the chicxulub asteroid impact in a paper
clipping with regard to the equivalent earthquake magnitude.
According to a geophysicist, Brian Toon, at the University of
Colorado in Boulder; it was equivalent to a magnitude 12-13,
far greater than any known earthquake.  The clipping mentions
ground upheaval for hundreds of yards; as far as 600 miles from
ground zero.

The suggestion of such seismic upheaval sounds like it might
stimulate alot of the impact or earth anti-pod (at that time),
lava activation proponents.

The June issue of the Journal Geology is supposed to have a
article relating to this event/extinction period, although I've not
seen it.

Meredith Lamb


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Larry Cochrane <cochrane@..............>