SLAMMER
U.S. Geological Survey (USGS)
USGS SLAMMER performs sliding-block (permanent-displacement) analysis to estimate how far a slope, embankment or earth dam will move during an earthquake. It ships with more than 2,100 strong-motion records from 28 earthquakes, lets you filter them by properties and add your own, and runs rigid-block (Newmark), decoupled and fully coupled analyses alongside simplified methods. Results are presented as graphs and tables. Suited to geotechnical and earthquake engineers. Limitations: it requires Java 7 or later; the latest version (1.1) was revised in 2014; it assumes the user understands the assumptions and limits of sliding-block methods.
Ratings & Reviews
| Licence type | Completely Free |
|---|---|
| Licence terms | US government (USGS) software published in the Techniques and Methods series; free of charge with no restrictions on use, including commercial work. |
| Platforms | Linux, macOS, Windows |
| Engineering field | Geotechnical Engineering, Civil Engineering |
| Tool type | Engineering Calculators, Simulation & FEA |
| Vendor site | www.usgs.gov |
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Last verified: 2026-10-06
