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Measure of quake magnitude
Answer for the clue "Measure of quake magnitude ", 13 letters:
richter scale
Word definitions for richter scale in dictionaries
Wikipedia
Word definitions in Wikipedia
" Richter Scale " is the second single released from EPMD 's fifth album, Back in Business . It only made it to one Billboard chart, peaking at 62 on the Hot R&B/Hip-Hop Singles & Tracks . The music video was directed by Little X .
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
1938, devised by U.S. seismologist Charles Francis Richter (1900-1985).