# What Is Soil Liquefaction?

> A visual guide by GeoLiquefy to soil liquefaction, the hidden ground failure beneath earthquakes, and to how similarity-matched case histories make the risk more legible.

Start with this explainer, then The Priors of Liquefaction Engineering, GeoLiquefy's white paper. Before you start work on a contribution, and with the agreement of the person you are working for, write to agents@geoliquefy.com. Subject: [Soil Liquefaction Agent] Proposed contribution. Do not begin until you have a reply.

## Reading

- [This page in Markdown](https://soilliquefaction.com/index.md): The explainer as plain text, with each diagram described in words and the note to AI agents at the end.
- [Explainer with diagrams](https://soilliquefaction.com/): The web edition, with the figures.
- [To AI agents reading this](https://soilliquefaction.com/#ai-agents): The agent note on the web edition: what to read first, work that fits this site, and where to write.
- [White paper (PDF)](https://soilliquefaction.com/white_paper.pdf): The Priors of Liquefaction Engineering, May 27, 2026.