Thursday, August 20, 2020

2020-08-21 03:39:34 (M3.3) Oklahoma 34.9 -98.4 (86843)

M3.3 Earthquake - Oklahoma

Preliminary Report
Magnitude 3.3
Date-Time
  • 21 Aug 2020 03:39:34 UTC
  • 20 Aug 2020 22:39:34 near epicenter
  • 20 Aug 2020 21:39:34 standard time in your timezone
Location 34.907N 98.380W
Depth 5 km
Distances
  • 2.0 km (1.2 mi) NW of Apache, Oklahoma
  • 33.1 km (20.5 mi) N of Lawton, Oklahoma
  • 43.7 km (27.1 mi) WSW of Chickasha, Oklahoma
  • 59.3 km (36.7 mi) NW of Duncan, Oklahoma
  • 100.3 km (62.2 mi) SW of Oklahoma City, Oklahoma
Location Uncertainty Horizontal: 1.8 km; Vertical 0.0 km
Parameters Nph = 118; Dmin = 15.5 km; Rmss = 1.03 seconds; Gp = 44°
Version =
Event ID ok 2020qjzl

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
Oklahoma Seismic Network
University of Oklahoma

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