The 1872 Lone Pine earthquake struck on March 26 at 10:30 UTC with an estimated moment magnitude of 7.4 to 7.9 and a maximum Mercalli Intensity of X (Extreme). Its epicenter was near Lone Pine, California in Owens Valley. Historical evidence detailing the damage it caused in settlements, fault scarps, and the geographic extent to which noticeable movement was felt led researchers to the high magnitude estimate.