Magnitude                                 
Year Mth Day Time(UTC)       Lat    Long     mb  Ms  Mag  Scale  Mag  Scale  Intensity   Explo Source
1915 03  31  18:30           42.90  -110.90                                  IV                SRA
1915 05  08  16:10           44.90  -110.70                                  V                 SRA
1915 10  17  03:06        *  44.30  -110.30                                  II                SRA
1916 08  12  04:00        *  42.40  -107.80                                  III               SRA
1917 03  10  14:34           41.80  -107.20                                  IV                SRA
1920 02  02  00:45        *  44.80  -109.20                                  III               SRA

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