OKLAHOMA GEOLOGICAL SURVEY OBSERVATORY
OKLAHOMA EARTHQUAKE CATALOG
DATE (UTC) TIME (UTC) COUNTY ST MM MAGNITUDES LATITUDE LONGITUDE DEPTH SM
MM 3Hz bLg DUR deg N deg W km
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
1991 JAN 09 07 45 59.01 WOODWARD OK 1.6 36.1670 -99.5050 5.00R ON
1991 JAN 14 01 01 06.06 GARVIN OK 1.6 1.7 2.2 34.7460 -97.4600 5.00R ON
1991 JAN 24 05 00 27.65 NOBLE OK 5 2.8 36.3520 -97.2710 5.00R ON
1991 MAR 14 08 49 03.03 ROGER MILLS OK 2.0 35.5110 -99.6440 5.00R ON
1991 MAR 15 10 45 37.45 LOGAN OK 1.8 1.2 1.7 35.8850 -97.6050 5.00R ON
1991 MAR 15 14 17 30.38 BEAVER OK 2.4 36.6590 -100.6030 5.00R ON
1991 MAR 22 06 49 57.64 MC CLAIN OK 1.7 1.9 34.9680 -97.5130 5.00R ON
1991 APR 21 07 13 21.75 GARVIN OK 1.6 1.6 34.7130 -97.5850 5.00R ON
1991 APR 21 16 09 04.09 GARVIN OK 2.0 2.0 34.7480 -97.6200 5.00R ON
1991 APR 21 16 55 45.39 GARVIN OK 2.5 2.4 34.8120 -97.6350 5.00R ON
1991 APR 22 15 16 50.40 GARVIN OK 2.0 34.7140 -97.6050 5.00R ON
1991 APR 22 16 45 04.76 CADDO OK 2.0 35.0980 -98.4420 5.00R ON
1991 APR 22 17 04 13.97 GARVIN OK 2.2 34.7680 -97.5850 5.00R ON
1991 APR 22 17 27 27.92 GARVIN OK 2.1 34.7410 -97.5850 5.00R ON
1991 APR 22 18 08 54.05 GARVIN OK 2.3 34.7990 -97.6320 5.00R ON
1991 APR 22 18 11 18.46 GARVIN OK 2.2 1.8 2.4 34.7600 -97.5850 5.00R ON
1991 APR 22 22 51 22.20 GARVIN OK 2.3 2.2 1.9 34.7620 -97.6330 5.00R ON
1991 MAY 05 12 07 27.40 PUSHMATAHA OK 1.7 1.4 34.1680 -95.5500 5.00R ON
1991 MAY 05 21 54 45.70 LINCOLN OK 2.1 2.6 35.6270 -96.8970 5.00R ON
1991 MAY 06 04 13 30.75 SEMINOLE OK 1.3 1.7 35.2930 -96.6980 5.00R ON
1991 MAY 09 10 05 50.07 PITTSBURG OK 1.3 1.1 1.1 34.9100 -95.8660 5.00R ON
1991 MAY 10 04 37 56.45 PONTOTOC OK 1.7 1.2 1.1 34.6830 -96.6350 5.00R ON
1991 MAY 28 19 05 12.25 PONTOTOC OK 1.7 34.6050 -96.8080 5.00R ON
1991 MAY 31 23 11 54.37 LE FLORE OK 1.9 2.0 1.7 35.0060 -94.8840 5.00R ON
1991 JUN 30 08 11 05.64 PONTOTOC OK 1.8 1.5 1.8 34.7850 -96.7770 5.00R ON
1991 JUL 05 20 31 10.25 NOBLE OK 2.3 2.1 36.2560 -97.2640 5.00R ON
1991 JUL 09 08 38 45.17 SEMINOLE OK 1.3 1.1 1.4 35.3470 -96.6870 5.00R ON
1991 JUL 11 06 24 50.71 ELLIS OK 1.7 1.8 2.0 36.1650 -99.6480 5.00R ON
1991 JUL 20 09 53 45.70 COAL OK 2.0 1.7 34.4350 -96.1890 5.00R ON
1991 JUL 20 11 17 52.01 ATOKA OK 2.5 2.3 2.2 34.4770 -95.9560 5.00R ON
1991 JUL 25 10 24 14.65 JOHNSTON OK 1.7 1.3 1.5 34.1180 -96.4870 5.00R ON
1991 AUG 07 10 40 15.79 PITTSBURG OK 1.0 0.8 1.0 35.1420 -95.6650 5.00R ON
1991 AUG 08 18 38 01.77 GARFIELD OK 2.6 1.9 2.5 36.4230 -97.4750 5.00R ON
1991 SEP 25 17 59 21.16 GARVIN OK 2.4 2.1 2.1 34.7440 -97.5530 5.00R ON
1991 OCT 03 06 55 44.77 GARVIN OK 2.6 2.4 2.2 34.7410 -97.6670 5.00R ON
1991 OCT 25 01 31 26.93 PONTOTOC OK 1.8 1.6 1.4 34.6400 -96.5890 5.00R ON
1991 DEC 09 16 07 14.51 GARVIN OK 2.3 2.1 34.7680 -97.5920 5.00R ON
1991 DEC 09 17 06 01.39 GARVIN OK 2.4 2.0 2.1 34.7520 -97.5850 5.00R ON
1991 DEC 09 17 14 22.14 GRADY OK 2.0 1.5 1.9 34.9710 -97.7170 5.00R ON
1991 DEC 09 17 38 57.16 GARVIN OK 1.8 34.7520 -97.6000 5.00R ON
1991 DEC 09 17 59 34.23 GRADY OK 2.6 2.4 2.3 34.8930 -97.7020 5.00R ON
1991 DEC 09 20 11 58.45 GRADY OK 1.9 1.9 1.8 34.9050 -97.7020 5.00R ON
1991 DEC 10 12 00 29.64 MC CLAIN OK 2 2.3 1.8 2.1 34.8680 -97.4480 5.00R ON
1991 DEC 12 03 15 21.33 GRADY OK 1.4 1.9 34.9240 -97.7060 5.00R ON
1991 DEC 28 04 45 59.82 CANADIAN OK 1.4 1.8 35.3930 -97.8500 5.00R ON
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