Matching Pairs Cards: Mercalli & Richter Scale Online version Matching cards for the Richter Scale by Benjamin D Morgan 1 30 x 30 x 30 = 27,000 2 30 3 30 x 30 x 30 x 30 = 810,000 4 30 x 30 = 900 5 Roman Numerals (I, II, III, IV, etc) 6 10 7 Numbers 1-10 8 Mercalli Scale 9 Seismic Wave Amplitude Picture 10 Richter Scale 11 10 x 10 x 10 = 1000 12 1 13 Seismic Wave Energy Picture 14 10 x 10 x 10 x 10 x 10 = 100,000 The Mercalli Scale uses this type of numbers The Richter Scale uses these types of numbers This scale is based on how much damage is done to a city