Light mag. 4.3 earthquake - 59 km north of Calama, Provincia de El Loa, Antofagasta, Chile, on Sunday, Dec 20, 2020 7:20 pm (GMT -3) -

This quake was likely an aftershock of the 6.0 quake 76 km north of Calama, Provincia de El Loa, Antofagasta, Chile, Dec 14, 2020 12:20 pm (GMT -3), which had occurred 6 days earlier.
Light mag. 4.3 earthquake - 59 km north of Calama, Provincia de El Loa, Antofagasta, Chile, on Sunday, Dec 20, 2020 7:20 pm (GMT -3)

Light magnitude 4.3 earthquake at 127 km depth

20 Dec 22:36 UTC: First to report: EMSC after 16 minutes.
20 Dec 23:10: Hypocenter depth recalculated from 116.0 to 127.0 km (from 72 to 79 mi). Epicenter location corrected by 2.3 km (1.5 mi) towards WNW.
Date & time: Dec 20, 2020 22:20:02 UTC -
Local time at epicenter: Sunday, Dec 20, 2020 7:20 pm (GMT -3)
Magnitude: 4.3
Depth: 127.0 km
Epicenter latitude / longitude: 21.96°S / 68.72°W (Provincia de El Loa, Antofagasta, Chile)
Antipode: 21.96°N / 111.28°E
Nearest volcano: San Pedro (34 km / 21 mi)
Nearby towns and cities:
59 km (37 mi) NNE of Calama (pop: 143,100) --> See nearby quakes!
118 km (74 mi) NNW of San Pedro de Atacama (pop: 2,000) --> See nearby quakes!
153 km (95 mi) E of Tocopilla (pop: 24,500) --> See nearby quakes!
184 km (114 mi) WSW of San Cristobal de Lipez (Potosí, Bolivia) (pop: 75) --> See nearby quakes!
244 km (152 mi) SE of Iquique (Tarapacá) (pop: 227,500) --> See nearby quakes!
255 km (158 mi) NE of Antofagasta (pop: 309,800) --> See nearby quakes!
258 km (160 mi) SW of Uyuni (Antonio Quijarro, Potosí, Bolivia) (pop: 10,300) --> See nearby quakes!
262 km (163 mi) SW of Colchani (Potosí, Bolivia) (pop: 12,000) --> See nearby quakes!
300 km (186 mi) WSW of Santa Barbara (Potosí, Bolivia) (pop: 2,430) --> See nearby quakes!
351 km (218 mi) NW of San Antonio de los Cobres (Salta, Argentina) (pop: 4,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 24°C (75 F), humidity: 16%, wind: 12 m/s (24 kts) from W
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 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.
Mag.DepthLocationSource
4.3127 kmANTOFAGASTA, CHILEEMSC
4.3117 km56 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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