Legend (NWIC/Earthquake)

Earthquakes - IMD (1819-2011) (1) 6 to 7 >7 to 8 Above 8 Earthquakes - USGS (1594-1984) (2) Magnitude not known 2 to 4 >4 to 6 >6 to 8.5 Seismic Zones (3) Seismic Zone-II Seismic Zone-III Seismic Zone-IV Seismic Zone-V