Most intense, most fatal and most damaging global earthquakes from 2150 BCE to present. This layer represents earthquakes with at least one of the following criteria: Magnitude 8.5 or greater Modified Mercalli Intensity XI or XII 1,001 or more fatalities $25 million or more in damage Data source: National Geophysical Data Center / World Data Service (NGDC/WDS): Significant Earthquake Database. National Geophysical Data Center, NOAA. doi:10.7289/V5TD9V7K