Minor mag. 3.9 earthquake - 201 km east of Calama, Provincia de El Loa, Antofagasta, Chile, on Saturday, 23 Jan 2021 11:15 pm (GMT -3) -

Minor mag. 3.9 earthquake - 201 km east of Calama, Provincia de El Loa, Antofagasta, Chile, on Saturday, 23 Jan 2021 11:15 pm (GMT -3)

Minor magnitude 3.9 earthquake at 234 km depth

24 Jan 02:22 UTC: First to report: INPRES after 6 minutes.
24 Jan 02:36: Now using data updates from GUG (U. Chile)
24 Jan 04:04: Magnitude recalculated from 4.0 to 3.9. Hypocenter depth recalculated from 239.6 to 234.2 km (from 149 to 146 mi). Epicenter location corrected by 5 km (3.1 mi) towards E.
Date & time: 24 Jan 2021 02:15:39 UTC -
Local time at epicenter: Saturday, 23 Jan 2021 11:15 pm (GMT -3)
Magnitude: 3.9
Depth: 234.2 km
Epicenter latitude / longitude: 23.126°S / 67.107°W (Provincia de El Loa, Antofagasta, Chile)
Nearest volcano: Colachi (68 km / 42 mi)
Nearby towns and cities:
115 km (71 mi) ESE of San Pedro de Atacama (pop: 2,000) --> See nearby quakes!
194 km (120 mi) SW of Villazon (Modesto Omiste, Potosí, Bolivia) (pop: 30,300) --> See nearby quakes!
201 km (125 mi) ESE of Calama (pop: 143,100) --> See nearby quakes!
219 km (136 mi) WNW of San Salvador de Jujuy (Argentina) (pop: 305,900) --> See nearby quakes!
230 km (143 mi) WNW of Palpala (Jujuy, Argentina) (pop: 48,200) --> See nearby quakes!
253 km (157 mi) NW of Salta (Argentina) (pop: 512,700) --> See nearby quakes!
259 km (161 mi) WNW of San Pedro de Jujuy (Argentina) (pop: 58,400) --> See nearby quakes!
338 km (210 mi) ESE of Tocopilla (pop: 24,500) --> See nearby quakes!
341 km (212 mi) E of Antofagasta (pop: 309,800) --> See nearby quakes!
452 km (281 mi) SE of Iquique (Tarapacá) (pop: 227,500) --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds 4.6°C (40 F), humidity: 69%, wind: 2 m/s (4 kts) from W
Primary data source: GUG (U. Chile)
Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 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.
MagnitudeDepthLocationSource
M 3.9234 km95 Km Al NE De Socaire, ChileGUG (U. Chile)
M 4.0240 kmJUJUY, ARGENTINAEMSC
M 4.0214 kmJUJUY (Argentina)INPRES

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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