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
1990 JAN 08 09 27 01.74 GARFIELD OK 2.2 36.4020 -98.0930 5.00R ON
1990 JAN 15 21 15 37.51 GARFIELD OK 1.7 36.2930 -97.9640 5.00R ON
1990 FEB 07 12 02 14.06 CUSTER OK 2.6 2.1 2.5 35.6290 -98.8270 5.00R ON
1990 FEB 16 19 35 10.18 PONTOTOC OK 2.2 1.8 34.7320 -96.4760 5.00R ON
1990 FEB 25 07 31 20.76 POTTAWATOMIEOK 1.2 1.5 35.4180 -96.8370 5.00R ON
1990 APR 02 20 43 07.84 HUGHES OK 2.6 35.0570 -96.2390 5.00R ON
1990 APR 19 21 35 04.58 GARVIN OK 2.8 2.2 34.7340 -97.5780 5.00R ON
1990 APR 23 22 26 49.61 HUGHES OK 2.5 1.8 2.4 35.2230 -96.0500 5.00R ON
1990 MAY 16 11 12 38.25 CADDO OK 1.6 1.8 35.3250 -98.4640 5.00R ON
1990 MAY 25 01 38 33.66 GARVIN OK 2.6 2.0 2.2 34.8160 -97.3940 5.00R ON
1990 JUN 22 16 12 18.56 GARVIN OK 2.0 34.8310 -97.4830 5.00R ON
1990 JUL 15 00 26 23.96 POTTAWATOMIEOK 2.1 2.1 35.1700 -97.0440 5.00R ON
1990 JUL 16 00 57 55.33 CLEVELAND OK 1.6 35.2480 -97.5180 5.00R ON
1990 JUL 17 01 13 19.61 HARMON OK 2.8 2.8 34.8850 -99.9050 5.00R ON
1990 JUL 24 08 43 51.41 COMANCHE OK 1.5 1.7 34.7580 -98.3510 5.00R ON
1990 AUG 12 01 22 23.16 PONTOTOC OK 2.6 2.2 34.5930 -96.5780 5.00R ON
1990 AUG 12 01 29 30.54 PONTOTOC OK 2.1 2.0 34.6010 -96.5740 5.00R ON
1990 SEP 04 22 32 25.78 MC CLAIN OK 2.4 2.0 34.9760 -97.5850 5.00R ON
1990 SEP 16 21 13 33.38 PITTSBURG OK 5 3.2 2.4 3.0 34.8550 -95.5770 5.00R ON
1990 OCT 02 03 14 05.89 KINGFISHER OK 1.8 35.9410 -98.0420 5.00R ON
1990 OCT 11 11 07 22.14 GARVIN OK 3.6 3.0 1.9 34.7770 -97.5030 5.00R ON
1990 OCT 21 18 07 15.54 HUGHES OK 0.8 35.2340 -96.3740 5.00R ON
1990 NOV 08 14 51 55.89 OKLAHOMA OK 2.6 1.8 2.0 35.4550 -97.5720 5.00R ON
1990 NOV 15 10 29 48.68 GARVIN OK 1.8 1.5 2.2 34.7610 -97.5500 10.00R ON
1990 NOV 15 10 49 31.49 GRADY OK 2.0 34.7940 -97.6770 10.00R ON
1990 NOV 15 11 06 13.97 GARVIN OK 1.3 34.7610 -97.5500 10.00R ON
1990 NOV 15 11 15 39.61 GARVIN OK 2.1 1.7 2.0 34.7610 -97.5500 10.00R ON
1990 NOV 15 11 18 10.46 GARVIN OK 1.2 34.7610 -97.5500 10.00R ON
1990 NOV 15 11 44 41.63 GARVIN OK 6 4.0 3.9 3.0 34.7610 -97.5500 10.00R ON
1990 NOV 15 12 14 39.29 GARVIN OK 2.3 1.6 2.0 34.7610 -97.5500 10.00R ON
1990 NOV 15 12 54 31.97 GARVIN OK 1.6 34.7610 -97.5500 10.00R ON
1990 NOV 16 20 47 15.06 GARVIN OK F 2.5 2.4 34.7870 -97.6110 5.00R ON
1990 NOV 19 15 39 11.45 GARVIN OK 1.8 1.4 2.3 34.7650 -97.5990 5.00R ON
1990 NOV 19 21 11 27.41 MURRAY OK 1.8 1.4 2.2 34.4840 -97.1300 5.00R ON
1990 NOV 20 17 25 17.87 GARVIN OK 2.6 2.1 2.2 34.8360 -97.6440 5.00R ON
1990 NOV 22 02 45 53.47 STEPHENS OK 2.7 2.2 2.2 34.6680 -97.5700 5.00R ON
1990 DEC 12 07 53 27.80 JOHNOSTON OK 2.5 2.1 1.8 34.1520 -96.5420 5.00R ON
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