Magnitude
Year Mth Day Time(UTC) Lat Long mb Ms Mag Scale Mag Scale Intensity Explo Source
1931 08 25 02:40 * 44.20 -110.80 IV SRA
1931 08 25 14:45 44.30 -110.60 IV SRA
1931 08 26 11:00 44.30 -110.60 IV SRA
1931 08 27 44.30 -110.60 III SRA
1931 09 21 05:15 * 41.30 -105.60 IV SRA
1932 01 26 07:00 * 43.50 -110.70 III SRA
1932 01 26 10:13 43.50 -110.70 5.0 MI VI SRA, USHIS, DNAG
1932 01 27 00:00 * 43.50 -110.70 III SRA
1932 01 27 04:00 * 43.50 -110.70 III SRA
1932 01 27 08:00 43.50 -110.70 III SRA
1932 01 28 01:00 * 43.50 -110.70 IV SRA
1932 01 28 08:00 43.50 -110.70 IV SRA
1932 01 28 23:00 43.50 -110.70 IV SRA
1932 01 29 01:00 * 43.50 -110.70 IV SRA
1932 06 08 21:30 42.60 -111.00 II SRA
1933 06 05 11:15 44.70 -111.10 III SRA
1934 03 13 09:13 44.50 -110.50 IV SRA
1934 05 20 11:30 44.50 -110.50 IV SRA
1934 11 23 23:40 43.00 -109.00 V SRA
1935 11 11 03:42 * 41.30 -105.60 IV SRA
1936 01 15 04:40 * 44.00 -111.00 5.0 MI VI SRA, USHIS, DNAG
1936 09 07 23:30 44.70 -111.10 III SRA
1936 10 24 09:00 42.90 -110.00 III SRA
1936 10 24 12:34 42.90 -110.00 III SRA
1937 04 27 22:34 44.40 -110.80 III SRA
1937 08 07 07:30 44.20 -110.60 II SRA
1937 09 06 23:30 44.70 -111.10 IV SRA
1937 09 16 04:27 * 44.60 -110.40 IV SRA
1938 02 05 16:00 41.90 -106.20 III SRA
1938 08 27 42.30 -105.80 III SRA
1938 11 29 16:21 42.60 -111.00 III SRA
1938 12 01 06:05 * 42.60 -111.00 III SRA
1938 12 01 20:30 42.60 -111.00 III SRA
1938 12 05 06:20 * 42.60 -111.00 III SRA
1939 10 22 23:00 43.50 -110.80 III SRA
1939 10 23 01:40 * 44.60 -110.40 III SRA
1939 11 02 06:00 * 43.50 -110.80 IV SRA
1940 05 24 11:50 44.40 -110.80 III SRA
1940 05 24 12:10 44.40 -110.80 III SRA
1940 05 24 12:25 44.40 -110.80 III SRA
1940 05 24 15:55 44.40 -110.80 III SRA
1940 10 22 23:00 43.50 -110.80 III SRA
1940 11 02 06:00 * 43.50 -110.80 III SRA
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