Strong mag. 6.1 earthquake - 122 km southeast of Tarija, Bolivia, on Thursday, 25 October 1973 at 14:08 (GMT)

Strong mag. 6.1 earthquake - 122 km southeast of Tarija, Bolivia, on Thursday, 25 October 1973 at 14:08 (GMT)

Strong magnitude 6.1 earthquake at 529 km depth

Date & time: 25 Oct 1973 14:08:59 UTC
Magnitude: 6.1
Depth: 529.0 km
Epicenter latitude / longitude: 21.985°S / 63.656°W (Departamento de Tarija, Bolivia)
Nearby towns and cities:
61 km (38 mi) NNE of Tartagal (Salta, Argentina) (pop: 60,800) --> See nearby quakes!
70 km (43 mi) NNE of General Enrique Mosconi (General Jose de San Martín, Salta, Argentina) (pop: 19,800) --> See nearby quakes!
83 km (51 mi) SSW of Villamontes (Gran Chaco, Tarija) (pop: 18,800) --> See nearby quakes!
109 km (68 mi) NE of Bermejo (Aniceto Arce, Tarija) (pop: 35,400) --> See nearby quakes!
122 km (76 mi) ESE of Tarija (pop: 159,300) --> See nearby quakes!
122 km (76 mi) ESE of Tarija (pop: 159,300) --> See nearby quakes!
144 km (89 mi) NNE of Embarcacion (General Jose de San Martín, Salta, Argentina) (pop: 24,000) --> See nearby quakes!
145 km (90 mi) NNE of Oran (Salta, Argentina) (pop: 74,100) --> See nearby quakes!
369 km (229 mi) SSE of Sucre (Chuquisaca) (pop: 224,800) --> See nearby quakes!
576 km (358 mi) SE of Oruro (pop: 208,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
6.1529 kmTarija, BoliviaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

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More info
Recorded aftershocks, latest first (2 quakes):
  • 21 Feb 1974 16:01 UTC
    | M 4.0 |
    528 km (328.1 mi) depth
    10 km (6 mi) distance
    | USGS | Details
  • 25 Oct 1973 15:10 UTC
    | M 5.3 |
    548 km (340.5 mi) depth
    23 km (14 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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