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Minor mag. 3.6 earthquake - POTOSI, BOLIVIA, on Thursday, Oct 21, 2021 at 5:43 pm (GMT -3) -

Minor mag. 3.6 earthquake - POTOSI, BOLIVIA, on Thursday, Oct 21, 2021 at 5:43 pm (GMT -3) Minor mag. 3.6 earthquake - POTOSI, BOLIVIA, on Thursday, Oct 21, 2021 at 5:43 pm (GMT -3)

Minor magnitude 3.6 earthquake at 259 km depth

21 Oct 20:51 UTC: First to report: EMSC after 8 minutes.
21 Oct 20:56: Magnitude recalculated from 3.3 to 3.6. Hypocenter depth recalculated from 224.0 to 259.0 km (from 139 to 161 mi). Epicenter location corrected by 48 km (30 mi) towards WNW.
Date & time: Oct 21, 2021 20:43:26 UTC -
Local time at epicenter: Thursday, Oct 21, 2021 at 5:43 pm (GMT -3)
Magnitude: 3.6
Depth: 259.0 km
Epicenter latitude / longitude: 22.84°S / 67.3°W (Departamento de Potosi, Bolivia)
Antipode: 22.84°N / 112.7°E
Nearest volcano: Guayaques (72 km / 45 mi)
Nearby towns and cities:
93 km (58 mi) E of San Pedro de Atacama (Antofagasta, Chile) (pop: 2,000) --> See nearby quakes!
165 km (102 mi) W of Abra Pampa (Cochinoca, Jujuy, Argentina) (pop: 9,430) --> See nearby quakes!
172 km (107 mi) ESE of Calama (Antofagasta, Chile) (pop: 143,100) --> See nearby quakes!
194 km (120 mi) WSW of La Quiaca (Yavi, Jujuy, Argentina) (pop: 14,800) --> See nearby quakes!
194 km (121 mi) S of San Cristobal de Lipez (Potosí) (pop: 75) --> See nearby quakes!
194 km (121 mi) WSW of Villazon (Modesto Omiste, Potosí) (pop: 30,300) --> See nearby quakes!
204 km (127 mi) W of Humahuaca (Jujuy, Argentina) (pop: 11,400) --> See nearby quakes!
225 km (140 mi) SW of Tupiza (Sud Chichas, Potosí) (pop: 22,200) --> See nearby quakes!
396 km (246 mi) SSW of Ciudad Potosi (Potosí) (pop: 141,300) --> See nearby quakes!
473 km (294 mi) SSW of Sucre (Chuquisaca) (pop: 224,800) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 6.3°C (43 F), humidity: 6%, wind: 13 m/s (25 kts) from W
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 1.6 x 1010 joules (4.4 megawatt hours, equivalent to 3.79 tons of TNT) | about seismic energy
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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.
Mag.DepthLocationSource
3.6259 kmPOTOSI, BOLIVIAEMSC
3.4224 kmJUJUY (Argentina)INPRES

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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