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Saturday, February 23, 2013

Sizable Arkansas earthquake


3.9 - ARKANSAS

Preliminary Earthquake Report
Magnitude 3.9
Date-Time
  • 23 Feb 2013 22:28:38 UTC
  • 23 Feb 2013 16:28:38 near epicenter
  • 23 Feb 2013 16:28:38 standard time in your timezone
Location 35.624N 90.549W
Depth 10 km
Distances
  • 6 km (4 miles) SSW (205 degrees) of Trumann, AR
  • 14 km (8 miles) S (175 degrees) of Bay, AR
  • 16 km (10 miles) NW (311 degrees) of Marked Tree, AR
  • 77 km (48 miles) NW (317 degrees) of Memphis, TN
  • 335 km (208 miles) S (185 degrees) of St. Louis, MO
Location Uncertainty Horizontal: 0.4 km; Vertical 1.2 km
Parameters Nph = 24; Dmin = 9.3 km; Rmss = 0.07 seconds; Gp = 75°
Version = B
Event ID nm 022313d ***This event supersedes event USc000fccb. 

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