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Modified Mercalli Intensity Scale
This table presents the modified Mercalli Intensity Scale (MMI), a measure of earthquake intensity based on shaking severity and observed effects of earthquakes. It includes MMI value, a description of shaking severity, and a summary and full description of damage effects. Each MMI value is accompanied by an illustration showing its expected effects.
Intended for grade levels:
  • Intermediate (3-5)
  • Middle (6-8)
  • High (9-12)
  • College (13-14)
Type of resource:
  • Visual:
    • Illustration - artistic
  • Text:
    • Ref. material
  • Geological Sciences:
    • Geophysics
  • Natural hazards
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright Association of Bay Area Governments (ABAG) 1995-2005. All rights reserved.
DLESE Catalog ID: DLESE-000-000-008-814
Resource contact / Creator / Publisher:
Publisher: Association of Bay Area Governments