Monday, April 19, 2021

2021-04-19 22:11:35 (M3.5) Oklahoma 35.0 -97.7 (86843)

M3.5 Earthquake - Oklahoma

Preliminary Report
Magnitude 3.5
Date-Time
  • 19 Apr 2021 22:11:36 UTC
  • 19 Apr 2021 17:11:36 near epicenter
  • 19 Apr 2021 16:11:36 standard time in your timezone
Location 34.972N 97.709W
Depth 1 km
Distances
  • 9.0 km (5.6 mi) NE of Alex, Oklahoma
  • 22.6 km (14.0 mi) ESE of Chickasha, Oklahoma
  • 37.1 km (23.0 mi) SW of Norman, Oklahoma
  • 45.5 km (28.2 mi) SSW of Moore, Oklahoma
  • 57.7 km (35.8 mi) SSW of Oklahoma City, Oklahoma
Location Uncertainty Horizontal: 1.6 km; Vertical 1.1 km
Parameters Nph = 122; Dmin = 11.9 km; Rmss = 0.93 seconds; Gp = 34°
Version =
Event ID ok 2021hrag

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

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