In message <Pine.NEB.4.33.0106090209230.8073-100000_at_panix3.panix.com>, John Law
son writes:
> IIRC, the largest US quake (of which we have reliable evidence) in the
>last 150 years was on the New Madrid fault in (I think) Tennessee, which
>changed the course of the Ohio River. It was approaching a 9.0 R.
If it's the one I'm thinking of, I think it was the Mississippi
that was reversed. As I understand it, what happened was that
one quake created an opening between the river and a low valley.
As water rushed into the valley, the souther part of the
river ran backwards. A few days later another quake closed
off the opening leaving the newly created Reelfoot lake.
Of course, if I'm thinking of a different quake, then I've
just contributed to the topic drift. At least it's more
than 10 years ago :-)
Brian
Received on Sat Jun 09 2001 - 18:07:51 BST