Oklahoma Earthquake News: September 2023

Monday, September 25, 2023

2023-09-25 18:10:11 (M3.0) Oklahoma 34.0 -97.4 (86843)

M3.0 Earthquake - Oklahoma

Preliminary Report
Magnitude	3.0
Date-Time	Universal Time (UTC): 25 Sep 2023 18:10:12 Time near the Epicenter (1): 25 Sep 2023 13:10:12 Time in your area (1): 25 Sep 2023 12:10:12
Location	34.049N 97.427W
Depth	1 km
Distances	12.6 km (7.8 mi) S of Wilson, Oklahoma 29.6 km (18.4 mi) WSW of Ardmore, Oklahoma 54.2 km (33.6 mi) NNW of Gainesville, Texas 70.1 km (43.5 mi) SE of Duncan, Oklahoma 157.6 km (97.7 mi) S of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 3.0 km; Vertical 1.6 km
Parameters	Nph = 81; Dmin = 20.9 km; Rmss = 0.73 seconds; Gp = 113° Version =
Event ID	ok 2023svfh

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
Oklahoma Seismic Network
University of Oklahoma

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Sunday, September 24, 2023

2023-09-25 00:40:31 (M3.9) Oklahoma 34.5 -97.8 (86843)

M3.9 Earthquake - Oklahoma

Preliminary Report
Magnitude	3.9
Date-Time	Universal Time (UTC): 25 Sep 2023 00:40:31 Time near the Epicenter (1): 24 Sep 2023 19:40:31 Time in your area (1): 24 Sep 2023 18:40:31
Location	34.483N 97.780W
Depth	0 km
Distances	10.1 km (6.2 mi) WNW of Velma, Oklahoma 16.5 km (10.2 mi) E of Duncan, Oklahoma 57.7 km (35.8 mi) ESE of Lawton, Oklahoma 64.8 km (40.2 mi) SSE of Chickasha, Oklahoma 111.8 km (69.3 mi) SSW of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 2.5 km; Vertical 1.5 km
Parameters	Nph = 84; Dmin = 38.6 km; Rmss = 0.85 seconds; Gp = 92° Version =
Event ID	ok 2023stwr

Friday, September 22, 2023

2023-09-22 10:46:38 (M3.3) Oklahoma 35.5 -96.8 (86843)

M3.3 Earthquake - Oklahoma

Preliminary Report
Magnitude	3.3
Date-Time	Universal Time (UTC): 22 Sep 2023 10:46:39 Time near the Epicenter (1): 22 Sep 2023 05:46:39 Time in your area (1): 22 Sep 2023 04:46:39
Location	35.543N 96.759W
Depth	3 km
Distances	9.2 km (5.7 mi) SE of Sparks, Oklahoma 28.3 km (17.5 mi) NNE of Shawnee, Oklahoma 46.5 km (28.8 mi) E of Choctaw, Oklahoma 58.8 km (36.4 mi) E of Midwest City, Oklahoma 69.2 km (42.9 mi) E of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 2.0 km; Vertical 1.5 km
Parameters	Nph = 84; Dmin = 12.5 km; Rmss = 0.31 seconds; Gp = 44° Version =
Event ID	ok 2023sped

2023-09-22 08:56:47 (M3.0) Oklahoma 36.4 -96.9 (86843)

M3.0 Earthquake - Oklahoma

Preliminary Report
Magnitude	3.0
Date-Time	Universal Time (UTC): 22 Sep 2023 08:56:48 Time near the Epicenter (1): 22 Sep 2023 03:56:48 Time in your area (1): 22 Sep 2023 02:56:48
Location	36.410N 96.887W
Depth	4 km
Distances	10.9 km (6.8 mi) NW of Pawnee, Oklahoma 36.1 km (22.4 mi) NNE of Stillwater, Oklahoma 37.5 km (23.2 mi) SSE of Ponca City, Oklahoma 73.6 km (45.6 mi) S of Arkansas City, Kansas 119.0 km (73.8 mi) NNE of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 2.7 km; Vertical 2.1 km
Parameters	Nph = 41; Dmin = 3.9 km; Rmss = 0.28 seconds; Gp = 119° Version =
Event ID	ok 2023span

Thursday, September 21, 2023

2023-09-21 21:29:07 (M3.2) Oklahoma 34.5 -97.7 (86843)

M3.2 Earthquake - Oklahoma

Preliminary Report
Magnitude	3.2
Date-Time	Universal Time (UTC): 21 Sep 2023 21:29:07 Time near the Epicenter (1): 21 Sep 2023 16:29:07 Time in your area (1): 21 Sep 2023 15:29:07
Location	34.480N 97.749W
Depth	5 km
Distances	7.3 km (4.5 mi) WNW of Velma, Oklahoma 19.3 km (12.0 mi) E of Duncan, Oklahoma 60.5 km (37.5 mi) ESE of Lawton, Oklahoma 65.2 km (40.4 mi) WNW of Ardmore, Oklahoma 111.7 km (69.2 mi) S of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 2.2 km; Vertical 0.0 km
Parameters	Nph = 93; Dmin = 15.5 km; Rmss = 0.98 seconds; Gp = 104° Version =
Event ID	ok 2023sodv

Wednesday, September 20, 2023

2023-09-20 10:27:12 (M3.1) Oklahoma 34.5 -97.7 (86843)

M3.1 Earthquake - Oklahoma

Preliminary Report
Magnitude	3.1
Date-Time	Universal Time (UTC): 20 Sep 2023 10:27:12 Time near the Epicenter (1): 20 Sep 2023 05:27:12 Time in your area (1): 20 Sep 2023 04:27:12
Location	34.487N 97.722W
Depth	10 km
Distances	5.4 km (3.3 mi) NW of Velma, Oklahoma 21.7 km (13.4 mi) E of Duncan, Oklahoma 62.8 km (38.9 mi) ESE of Lawton, Oklahoma 63.6 km (39.4 mi) WNW of Ardmore, Oklahoma 110.4 km (68.4 mi) S of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 0.0 km; Vertical 0.0 km
Parameters	Nph = 70; Dmin = 16.2 km; Rmss = 0.85 seconds; Gp = 44° Version =
Event ID	ok 2023slmm

Tuesday, September 19, 2023

2023-09-19 22:30:03 (M3.0) Oklahoma 34.5 -97.8 (86843)

M3.0 Earthquake - Oklahoma

Preliminary Report
Magnitude	3.0
Date-Time	Universal Time (UTC): 19 Sep 2023 22:30:03 Time near the Epicenter (1): 19 Sep 2023 17:30:03 Time in your area (1): 19 Sep 2023 16:30:03
Location	34.450N 97.768W
Depth	0 km
Distances	8.8 km (5.4 mi) W of Velma, Oklahoma 18.3 km (11.4 mi) ESE of Duncan, Oklahoma 59.8 km (37.0 mi) ESE of Lawton, Oklahoma 65.1 km (40.4 mi) WNW of Ardmore, Oklahoma 115.2 km (71.4 mi) SSW of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 2.7 km; Vertical 1.6 km
Parameters	Nph = 57; Dmin = 17.8 km; Rmss = 0.99 seconds; Gp = 112° Version =
Event ID	ok 2023skov