Legend (CGS/WUSandMx_HistEQs_M3Plus)

Western US and Mexico Historical Earthquakes M3 Plus (0) 3.0- 3.9 4.0 - 4.9 5.0 - 5.9 6.0 - 6.9 7.0- 7.9 8.0 - 8.9 9.0 - 9.9