Information on the earthquake: moderate mag. Earthquake 5.2 – Chile-Bolivia border region on Saturday, August 28, 2021 at 08:57 (GMT -4)


Update: August 28, 2021 16:43 GMT –

Moderate magnitude 5.2 earthquake 170 km deep

28 Aug 13:01 UTC: First to report: GFZ after 4 minutes.
28 Aug 13:04: Magnitude recalculated from 5.1 to 5.2. Depth of the hypocenter recalculated from 188.0 to 170.0 km (117 to 106 mi). Epicenter location corrected 11 km (7 mi) towards ESE.

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Date and time: Aug 28, 2021 12:57:47 UTC –
Local time at epicenter: Saturday August 28, 2021 08:57 (GMT -4)
Magnitude: 5.2

Depth: 170.0 km
Latitude / longitude of epicenter: 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 villages:
142 km (88 mi) south of San Cristóbal de Lipez (Potosi) (pop: 75) -> See nearby earthquakes!
154 km (96 mi) east of Calama (Antofagasta, Chile) (pop: 143,100) -> See nearby earthquakes!
191 km (119 mi) west of Villazon (Modesto Omiste, Potosí) (pop: 30,300) -> See earthquakes nearby!
204 km (127 mi) OSO of Tupiza (South Chichas, Potosí) (pop: 22,200) -> Observe the earthquakes nearby!
293 km (182 mi) OSO of Tarija (pop: 159,300) -> Observe the earthquakes nearby!
299 km (185 mi) northwest of Jujuy (Argentina) (pop: 305,900) -> Observe the earthquakes nearby!
320 km (199 mi) west of Bermejo (Aniceto Arce, Tarija) (pop: 35,400) -> Observe the earthquakes nearby!
355 km (220 mi) SSO of Potosi (Potosi) (pop: 141,300) -> See nearby earthquakes!
355 km (220 mi) SSO of Potosi (Potosi) (pop: 141,300) -> See nearby earthquakes!
433 km (269 mi) SSO of Sugar (Chuquisaca) (pop: 224,800) -> Observe the earthquakes nearby!

Weather at the epicenter at the time of the earthquake:
Clear sky -4.2 ° C (24 F), humidity: 5%, wind: 1 m / s (3 kts) from WSW

Main data source: GFZ (German Research Center for Geosciences)

Estimated energy released: 4×1012 joules (1.11 gigawatt hours, equivalent to 951 tonnes of TNT) More info

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Data for the same earthquake reported by different agencies

Info: The more agencies report the same earthquake and publish similar data, the more confidence you can have in the data. It normally takes up to a few hours for the seismic parameters to be calculated with near optimum accuracy.

Mag. Depth Site Source
5.2 170 km Chile-Bolivia border region GFZ
5.1 204 km BOLIVIA (Argentina) INPRES
5.4 156 km Chile-Bolivia border region BMKG
5.3 185 km Bolivia: 97 km NE of San Pedro De Atacama, Chile USGS
5.3 159 km Chile-Bolivia border region GeoAu

User reports for this earthquake (4)

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Tarija (292.6 km ENE from epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrations / 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 agitation (MMI II)

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Aftershocks recorded, latest first (0 earthquakes so far, frequently updated):
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