7.1 mb – COLOMBIA

Relief Map of West Virginia. Prepared by West ...
Relief Map of West Virginia. Prepared by West Virginia Geological Survey. Paul H. Price, State Geologist. 1937. Data from United States Geological Survey Topographical Quadrangles Surveyed in Cooperation with the West Virginia Geological Survey. (Photo credit: uconnlibrariesmagic)

7.1 mb – COLOMBIA

Preliminary Earthquake Report

Magnitude 7.1 mb
Date-Time
  • 30 Sep 2012 16:31:34 UTC
  • 30 Sep 2012 11:31:34 near epicenter
  • 30 Sep 2012 08:31:34 standard time in your timezone
Location 1.969N 76.315W
Depth 150 km
Distances
  • 62 km (39 miles) SSE (149 degrees) of Popayan, Colombia
  • 89 km (55 miles) WNW (296 degrees) of Florencia, Colombia
  • 137 km (85 miles) NE (51 degrees) of Pasto, Colombia
  • 345 km (214 miles) NE (45 degrees) of QUITO, Ecuador
Location Uncertainty Horizontal: 3.0 km; Vertical 6.9 km
Parameters Nph = 717; Dmin = 885.8 km; Rmss = 0.89 seconds; Gp = 57° M-type = mb; Version = A
Event ID us 2012gdap

For updates, maps, and technical information, see: Event Page or USGS Earthquake Hazards Program

National Earthquake Information Center U.S. Geological Survey http://neic.usgs.gov/

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