Matching Pairs Cards: Mercalli & Richter Scale Online version Matching cards for the Richter Scale by Benjamin D Morgan 1 30 x 30 = 900 2 10 x 10 x 10 = 1000 3 10 x 10 x 10 x 10 x 10 = 100,000 4 30 5 Mercalli Scale 6 30 x 30 x 30 x 30 = 810,000 7 Roman Numerals (I, II, III, IV, etc) 8 30 x 30 x 30 = 27,000 9 1 10 Richter Scale 11 Seismic Wave Amplitude Picture 12 Numbers 1-10 13 Seismic Wave Energy Picture 14 10 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