Longview Hills @ Newport Oregon

Little beknownst, I am also an earthquake buff. So here's a link to a "VERY" cool software that just happens to also be "FREE" from the USGS.
Slope Performance During an Earthquake

Java Programs for using Newmark’s method and simplified decoupled analysis to model slope performance during earthquakes

Randall W. Jibson and Matthew W. Jibson

Request a copy of this FREE program on CD-ROM from the author
(Please include the mailing address you want it sent to!)

P.S. Mailed to you free too....

I love the USGS !!!