Events

Our Vision Benefits

MMI Scale Instrumental Intensity

Technical Information

Official Sources Gazetteer Sites API Docs API Explorer URL Builder

Account About Sign In

Events

Our Vision Benefits MMI Scale Instrumental Intensity Technical Information

Official Sources Gazetteer Sites API Docs API Explorer URL Builder

Account About Sign In

Sign In

Email

Password

No account? Create one · Forgot password?

Rapid ground shaking intensity estimates for the Western US and northern Mexico.

About

Our Vision
Benefits
About
Contact

Learn

MMI Scale
Instrumental Intensity
Technical Info
Official Sources

Resources

API Docs
API Explorer
URL Builder
Create Account
All Events

Unofficial — not affiliated with USGS. Powered by USGS ShakeMap, GEM OpenQuake, and SCEC UCVM. © 2026 The Intensity Lab.