Mag. 3.9 earthquake - 216 km west of Salta, Argentina, on 19 Oct 6:50 pm (GMT -3) -

Mag. 3.9 earthquake  - 216 km west of Salta, Argentina, on 19 Oct 6:50 pm (GMT -3)

Minor magnitude 3.9 earthquake at 219 km depth

19 Oct 21:58 UTC: First to report: EMSC after 7 minutes.
19 Oct 22:07: Magnitude recalculated from 3.8 to 3.9. Hypocenter depth recalculated from 193.0 to 222.0 km (from 120 to 138 mi). Epicenter location corrected by 27 km (16.5 mi) towards WNW.
19 Oct 22:13: Hypocenter depth recalculated from 222.0 to 219.0 km (from 138 to 136 mi). Epicenter location corrected by 2.4 km (1.5 mi) towards NNE.
Date & time: 19 Oct 2020 21:50:45 UTC -
Local time at epicenter: 19 Oct 6:50 pm (GMT -3)
Magnitude: 3.9
Depth: 219.0 km
Epicenter latitude / longitude: 24.18°S / 67.44°W (Los Andes Department, Antofagasta, Chile)
Nearest volcano: Aracar (58 km / 36 mi)
Nearby towns and cities:
306 km (190 mi) E of Antofagasta (pop: 309,800) --> See nearby quakes!
1078 km (670 mi) NNE of Santiago (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds 12.2°C (54 F), humidity: 30%, wind: 7 m/s (14 kts) from NW
Primary data source: EMSC (European-Mediterranean Seismological Centre)
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.
M 3.9219 km90 Km W of San Antonio De Los Cobres, ArgentinaEMSC
M 3.9219 km81 Km Al SE De Socaire, ArgentinaGUG (U. Chile)
M 3.7192 km84 Km W of San Antonio De Los Cobres, ArgentinaINPRES

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Rosario / Weak shaking (MMI III) / single lateral shake / 5-10 s
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Earlier earthquakes in the same area since 1900

Mag. 3.9 earthquake - 216 km west of Salta, Argentina, on 19 Oct 6:50 pm (GMT -3)

Map of earlier quakes

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