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Light mag. 4.1 earthquake - 51 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile, on Saturday, Oct 23, 2021 at 4:43 pm (GMT -3) -

Light mag. 4.1 earthquake - 51 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile, on Saturday, Oct 23, 2021 at 4:43 pm (GMT -3) Light mag. 4.1 earthquake - 51 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile, on Saturday, Oct 23, 2021 at 4:43 pm (GMT -3)

Light magnitude 4.1 earthquake at 123 km depth

23 Oct 19:55 UTC: First to report: EMSC after 11 minutes.
23 Oct 20:23: Magnitude recalculated from 3.6 to 4.1. Hypocenter depth recalculated from 110.0 to 123.0 km (from 68 to 76 mi). Epicenter location corrected by 1.1 km (0.7 mi) towards S.
Date & time: Oct 23, 2021 19:43:39 UTC -
Local time at epicenter: Saturday, Oct 23, 2021 at 4:43 pm (GMT -3)
Magnitude: 4.1
Depth: 123.0 km
Epicenter latitude / longitude: 22.06°S / 68.68°W (El Loa, Antofagasta, Chile)
Antipode: 22.06°N / 111.32°E
Nearest volcano: San Pedro (35 km / 22 mi)
Nearby towns and cities:
51 km (32 mi) NNE of Calama (pop: 143,100) --> See nearby quakes!
107 km (66 mi) NNW of San Pedro de Atacama (pop: 2,000) --> See nearby quakes!
156 km (97 mi) E of Tocopilla (pop: 24,500) --> See nearby quakes!
250 km (155 mi) NE of Antofagasta (pop: 309,800) --> See nearby quakes!
256 km (159 mi) SE of Iquique (Tarapacá) (pop: 227,500) --> See nearby quakes!
262 km (163 mi) SW of Uyuni (Antonio Quijarro, Potosí, Bolivia) (pop: 10,300) --> See nearby quakes!
267 km (166 mi) SW of Colchani (Potosí, Bolivia) (pop: 12,000) --> See nearby quakes!
300 km (187 mi) WSW of Santa Barbara (Potosí, Bolivia) (pop: 2,430) --> See nearby quakes!
340 km (212 mi) NW of San Antonio de los Cobres (Salta, Argentina) (pop: 4,000) --> See nearby quakes!
384 km (238 mi) NW of Santa Rosa de Tastil (Salta, Argentina) (pop: 2,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 14.6°C (58 F), humidity: 10%, wind: 11 m/s (22 kts) from WNW
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 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.
4.1123 km50 Km NNE of Calama, ChileUSGS

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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