Moderate mag. 5.2 earthquake - Chile-Bolivia Border Region on Saturday, Aug 28, 2021 8:57 am (GMT -4) -

Moderate mag. 5.2 earthquake - Chile-Bolivia Border Region on Saturday, Aug 28, 2021 8:57 am (GMT -4)

Moderate magnitude 5.2 earthquake at 170 km depth

28 Aug 13:01 UTC: First to report: GFZ after 4 minutes.
28 Aug 13:04: Magnitude recalculated from 5.1 to 5.2. Hypocenter depth recalculated from 188.0 to 170.0 km (from 117 to 106 mi). Epicenter location corrected by 11 km (7 mi) towards ESE.
Date & time: Aug 28, 2021 12:57:47 UTC -
Local time at epicenter: Saturday, Aug 28, 2021 8:57 am (GMT -4)
Magnitude: 5.2
Depth: 170.0 km
Epicenter latitude / longitude: 22.36°S / 67.43°W (Departamento de Potosi, Bolivia)
Antipode: 22.36°N / 112.57°E
Nearest volcano: Uturuncu (28 km / 17 mi)
Nearby towns and cities:
142 km (88 mi) S of San Cristobal de Lipez (Potosí) (pop: 75) --> See nearby quakes!
154 km (96 mi) E of Calama (Antofagasta, Chile) (pop: 143,100) --> See nearby quakes!
191 km (119 mi) W of Villazon (Modesto Omiste, Potosí) (pop: 30,300) --> See nearby quakes!
204 km (127 mi) WSW of Tupiza (Sud Chichas, Potosí) (pop: 22,200) --> See nearby quakes!
293 km (182 mi) WSW of Tarija (pop: 159,300) --> See nearby quakes!
299 km (185 mi) NW of Jujuy (Argentina) (pop: 305,900) --> See nearby quakes!
320 km (199 mi) W of Bermejo (Aniceto Arce, Tarija) (pop: 35,400) --> See nearby quakes!
355 km (220 mi) SSW of Potosi (Potosí) (pop: 141,300) --> See nearby quakes!
355 km (220 mi) SSW of Potosi (Potosí) (pop: 141,300) --> See nearby quakes!
433 km (269 mi) SSW of Sucre (Chuquisaca) (pop: 224,800) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky -4.2°C (24 F), humidity: 5%, wind: 1 m/s (3 kts) from WSW
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 4 x 1012 joules (1.11 gigawatt hours, equivalent to 951 tons of TNT) 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.
5.2170 kmChile-Bolivia Border RegionGFZ
5.0201 kmBOLIVIA (Argentina)INPRES
5.4156 kmChile-Bolivia Border RegionBMKG
5.3185 kmBolivia: 97 Km NE of San Pedro De Atacama, ChileUSGS
5.3159 kmChile-Bolivia Border RegionGeoAu
5.548 kmNorthern ChileUSP

User reports for this quake (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Tarija (292.6 km ENE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 15-20 s
Sierra gorda / Weak shaking (MMI III) / vibration and rolling / 5-10 s
Tarija, Bolivia / Very weak shaking (MMI II) / very short
santa rosa / Very weak shaking (MMI II)
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More info

Recorded aftershocks, latest first (2 quakes)

  • 11 Oct 2021 02:14 UTC
    | M 4.6 |
    195 km (121.2 mi) depth
    5 km (3 mi) distance
    | EMSC | Details
  • 17 Sep 2021 16:12 UTC
    | M 4.4 |
    217 km (134.8 mi) depth
    8 km (5 mi) distance
    | EMSC | Details

Earlier earthquakes in the same area

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