OKLAHOMA GEOLOGICAL SURVEY OBSERVATORY
OKLAHOMA EARTHQUAKE CATALOG
DATE (UTC) TIME (UTC) COUNTY ST MM MAGNITUDES LATITUDE LONGITUDE DEPTH SM
YYYY MMM DD HH MM SS.SS 3Hz bLg DUR deg (N) deg (W) km
1983 JAN 10 17 06 43.75 GRANT OK 2.7 2.5 2.4 36.7040 -98.1070 3.90 ON
1983 JAN 21 00 05 04.58 HASKELL OK 1.8 2.0 35.1650 -95.2820 5.00R ON
1983 FEB 01 07 19 38.08 HUGHES OK 1.7 1.3 35.0820 -96.2720 5.00R ON
1983 FEB 17 19 51 00.43 CREEK OK 1.7 1.9 35.8620 -96.0670 5.00R ON
1983 FEB 19 00 59 32.94 OKMULGEE OK 1.7 1.3 1.7 35.3990 -95.9750 5.00R ON
1983 MAR 10 08 06 04.14 HUGHES OK 2.6 2.3 2.6 35.0350 -96.2020 12.50R ON
1983 MAR 11 16 50 48.26 BEAVER OK 2.9 2.8 2.8 36.8270 -100.1150 5.00R ON
1983 MAR 13 10 17 20.85 SEMINOLE OK 1.9 35.3090 -96.5570 5.00R ON
1983 MAR 28 09 32 24.86 PONTOTOC OK 2.1 1.9 34.6350 -96.5610 5.00R ON
1983 MAY 15 04 00 23.58 COMANCHE OK 2.8 2.7 2.6 34.8270 -98.3600 5.00R ON
1983 MAY 16 21 08 21.08 HARMON OK 2.8 2.8 2.5 34.7180 -99.8830 5.00R ON
1983 JUN 21 18 32 59.87 MC CLAIN OK 2.6 2.9 2.5 34.9590 -97.4050 5.00R ON
1983 JUN 22 05 29 52.24 CREEK OK 1.6 1.8 35.9320 -96.0370 5.00R ON
1983 JUN 22 05 35 46.13 SEMINOLE OK 1.8 1.3 35.3210 -96.6230 5.00R ON
1983 JUN 22 09 10 47.07 CREEK OK 1.3 1.3 35.9320 -96.0430 5.00R ON
1983 JUL 05 20 02 25.84 PONTOTOC OK 2.4 2.4 2.3 34.6670 -96.5190 5.00R ON
1983 JUL 08 06 50 21.36 CREEK OK 1.6 2.0 35.9460 -96.0540 5.00R ON
1983 JUL 24 21 59 58.71 CREEK OK 1.0 1.5 35.9500 -96.0540 5.00R ON
1983 JUL 26 10 10 56.69 MC INTOSH OK 1.6 1.9 35.4890 -95.5180 5.00R ON
1983 JUL 27 05 57 43.45 GARVIN OK 2.1 1.9 2.2 34.8550 -97.4250 5.00R ON
1983 AUG 03 04 31 24.22 TULSA OK 1.2 1.4 35.8830 -96.0110 5.00R ON
1983 AUG 08 04 07 11.19 GARVIN OK 2.0 1.9 34.7310 -97.4160 5.00R ON
1983 AUG 10 01 00 40.34 OKMULGEE OK 1.5 2.0 35.8480 -95.9800 5.00R ON
1983 AUG 10 19 08 37.95 CREEK OK 1.4 1.5 35.9480 -96.0430 5.00R ON
1983 AUG 12 07 00 27.81 CREEK OK 1.6 2.1 35.9500 -96.0410 5.30 ON
1983 AUG 18 06 38 16.68 GARVIN OK 1.7 1.7 1.8 34.7410 -97.4040 5.00R ON
1983 AUG 19 13 52 05.91 CREEK OK 1.6 1.7 35.9570 -96.0430 5.00R ON
1983 AUG 20 05 46 01.39 ATOKA OK 2.1 1.9 2.3 34.4350 -95.9840 5.00R ON
1983 AUG 20 11 28 43.42 COAL OK 1.5 34.7280 -96.3190 5.00R ON
1983 AUG 24 10 10 03.43 MC INTOSH OK 1.4 35.4930 -95.7870 5.00R ON
1983 AUG 30 00 32 02.58 CREEK OK 1.7 2.0 35.9460 -96.0430 5.00R ON
1983 SEP 28 00 16 15.35 ATOKA OK 1.5 1.9 34.1660 -96.3050 5.00R ON
1983 SEP 28 01 26 01.33 CLEVELAND OK 1.9 2.2 35.2500 -97.3670 5.00R ON
1983 OCT 06 07 09 25.29 LOGAN OK 1.7 1.4 2.2 35.9850 -97.5370 5.00R ON
1983 OCT 23 19 34 46.93 PONTOTOC OK 2.9 2.9 2.7 34.8170 -96.8880 5.00R ON
1983 NOV 13 05 27 52.82 TULSA OK 1.3 2.0 35.9180 -96.0270 5.00R ON
1983 NOV 20 08 03 24.66 CREEK OK 1.0 1.3 35.9360 -96.0310 5.00R ON
1983 NOV 21 05 53 20.14 CREEK OK 1.1 1.5 35.9260 -96.0350 5.00R ON
1983 NOV 23 14 36 17.57 GARVIN OK 2.1 2.1 2.1 34.7310 -97.4850 5.00R ON
1983 NOV 27 16 33 42.84 MUSKOGEE OK 1.7 35.4310 -95.2000 5.00R ON
1983 NOV 29 03 49 18.14 TULSA OK 0.9 1.1 35.9420 -95.9250 5.00R ON
1983 DEC 04 05 36 00.18 PAYNE OK 1.5 35.9610 -96.7460 5.00R ON
1983 DEC 11 05 01 22.25 CREEK OK 0.9 1.3 35.9460 -96.0430 5.00R ON
1983 DEC 11 07 13 44.57 CREEK OK 1.3 1.8 35.9200 -96.0330 5.00R ON
1983 DEC 11 07 34 25.13 CREEK OK 1.5 2.1 35.9300 -96.0310 5.00R ON
1983 DEC 19 14 24 53.32 PITTSBURG OK 2.0 1.7 1.9 34.6820 -95.7740 5.00R ON
1983 DEC 29 10 46 44.26 BECKHAM OK 2.3 2.2 2.4 35.2840 -99.6200 5.00R ON
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