STEVEN DERSE, the owner of a corporate travel business in Nashville,
cannot feel his house move, but he can hear it. “It’s an eerie creaking
sound,” he said, and it echoes throughout his two-story Georgian-style
house.

COUNTER MEASURES The soil under the home of Psonya Wilson has required
some major work and repairs. The two-story garden style house in
Brandon, Miss., has required the installation of stabilization piers to
shore up the foundation.

It started two years ago when a severe drought contracted the soil
beneath the foundation, which caused it to crack and sink, pulling the
house down with it. The noise has continued intermittently, becoming
more insistent last year when flooding pushed the already compromised
foundation and house back upward.

This seesawing effect was noisy and expensive. Mr. Derse has spent more
than $10,000 to install subterranean piers to stabilize his foundation,
and he expects he will have to install more to prevent further cracking
and crumbling. “You lose your sense of security,” he said. “You love
your home and then it literally turns on you.”

(article continues on website).....
http://www.nytimes.com/2010/03/04/ga...anted=all&_r=0

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Here are more links to similar related problems.

From KANSAS CITY, Mo.

http://www.kshb.com/dpp/news/extreme...me-foundations

http://www.ksdk.com/news/article/335...race-for-Isaac

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And an interesting article
"How to Spot Foundation Damage Caused by Drought"
from Allstate

http://blog.allstate.com/how-to-spot...ed-by-drought/