Oklahoma Earthquake News: October 2023

Friday, October 20, 2023

2023-10-20 12:54:18 (M3.0) Oklahoma 34.8 -98.2 (86843)

M3.0 Earthquake - Oklahoma

Preliminary Report
Magnitude	3.0
Date-Time	Universal Time (UTC): 20 Oct 2023 12:54:19 Time near the Epicenter (1): 20 Oct 2023 07:54:19 Time in your area (1): 20 Oct 2023 06:54:19
Location	34.848N 98.173W
Depth	5 km
Distances	6.0 km (3.7 mi) SSE of Cyril, Oklahoma 31.4 km (19.5 mi) SW of Chickasha, Oklahoma 33.1 km (20.5 mi) NE of Lawton, Oklahoma 43.1 km (26.7 mi) NNW of Duncan, Oklahoma 91.2 km (56.5 mi) SW of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 6.0 km; Vertical 0.0 km
Parameters	Nph = 28; Dmin = 44.4 km; Rmss = 1.31 seconds; Gp = 150° Version =
Event ID	ok 2023uomk

(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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Saturday, October 14, 2023

2023-10-14 17:15:20 (M3.0) Oklahoma 35.6 -96.9 (86843)

M3.0 Earthquake - Oklahoma

Preliminary Report
Magnitude	3.0
Date-Time	Universal Time (UTC): 14 Oct 2023 17:15:20 Time near the Epicenter (1): 14 Oct 2023 12:15:20 Time in your area (1): 14 Oct 2023 11:15:20
Location	35.643N 96.914W
Depth	3 km
Distances	7.1 km (4.4 mi) SSW of Chandler, Oklahoma 35.1 km (21.8 mi) N of Shawnee, Oklahoma 36.0 km (22.3 mi) ENE of Choctaw, Oklahoma 48.8 km (30.3 mi) ENE of Midwest City, Oklahoma 58.0 km (36.0 mi) ENE of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 1.4 km; Vertical 1.1 km
Parameters	Nph = 134; Dmin = 11.7 km; Rmss = 0.67 seconds; Gp = 53° Version =
Event ID	ok 2023udwa