JMA Intensity Scale
JMA Intensity Scale :
The macroseismic intensity scale used by the Japanese Meteorological Agency (JMA). Modified four times since its first definition in 1884. From 1996 onward, the scale has 10 grades designated as 0, 1, 2, 3, 4, 5-, 5+, 6-, 6+, and 7. See intensity scale, Chapter 12 in this Manual, Chapter 44 ???in Lee et al. (2002), and Musson et al. (2010)
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