Modified Mercalli Intensity Scale « Back to Glossary IndexA qualitative earthquake scale, from I-XII, of the degree of shaking in an earthquake. Synonyms: Modified Mercalli Intensity, Modified Mercalli, MercalliRelated Articles: 9 Crustal Deformation and Earthquakes« Back to Glossary Index Author: Chris Associate Professor, Salt Lake Community College, Salt Lake City, Utah View all posts by Chris