MMI 4 : The Mercalli scale rates the intensity of shaking from an earthquake. The ratings vary from I (felt only under especially favourable circumstances) to XII (total destruction). (Wikipedia)
James Daniell (compiler), Glossary of Earthquake Terms (shortened list of the most important terms), Earthquake-Report.com, Guam, USA 2011. http://earthquake-report.com/2011/02/15/glossary-o f-earthquake-terms-2/, (ND/ Erthq - Brit) {898}