Minor mag. 3.9 earthquake - 111 km northwest of San Antonio de los Cobres, Salta, Argentina, on Tuesday, 1 Dec 2020 2:35 pm (GMT -3) -
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Minor magnitude 3.9 earthquake at 248 km depth
1 Dec 17:42 UTC: First to report: EMSC after 7 minutes.
1 Dec 17:49: Magnitude recalculated from 3.5 to 3.9. Hypocenter depth recalculated from 222.0 to 248.0 km (from 138 to 154 mi). Epicenter location corrected by 35 km (22 mi) towards WNW.
1 Dec 17:50: Now using data updates from GUG (U. Chile)
1 Dec 17:49: Magnitude recalculated from 3.5 to 3.9. Hypocenter depth recalculated from 222.0 to 248.0 km (from 138 to 154 mi). Epicenter location corrected by 35 km (22 mi) towards WNW.
1 Dec 17:50: Now using data updates from GUG (U. Chile)
Date & time: 1 Dec 2020 17:35:27 UTC -
Local time at epicenter: Tuesday, 1 Dec 2020 2:35 pm (GMT -3)
Magnitude: 3.9
Depth: 247.8 km
Epicenter latitude / longitude: 23.693°S / 67.243°W

Nearest volcano: Cordon de Puntas Negras (64 km / 40 mi)
Nearby towns and cities:
111 km (69 mi) WNW of San Antonio de los Cobres (pop: 4,000) --> See nearby quakes!
206 km (128 mi) WNW of San Salvador de Jujuy (pop: 305,900) --> See nearby quakes!
216 km (134 mi) WNW of Palpala (Jujuy) (pop: 48,200) --> See nearby quakes!
220 km (137 mi) SE of Calama (Antofagasta, Chile) (pop: 143,100) --> See nearby quakes!
222 km (138 mi) WNW of Salta (pop: 512,700) --> See nearby quakes!
249 km (155 mi) WNW of San Pedro de Jujuy (pop: 58,400) --> See nearby quakes!
250 km (156 mi) W of Libertador General San Martin (Jujuy) (pop: 49,300) --> See nearby quakes!
304 km (189 mi) WSW of Oran (pop: 74,100) --> See nearby quakes!
376 km (233 mi) WSW of Tartagal (pop: 60,800) --> See nearby quakes!
403 km (251 mi) NNW of Tucuman (pop: 781,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
16.8°C (62 F), humidity: 15%, wind: 10 m/s (19 kts) from W
Primary data source: GUG (U. Chile)Clear Sky

Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 tons of TNT) More info
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.
Magnitude | Depth | Location | Source |
3.9 | 248 km | 67 Km Al E De Socaire, Chile | GUG (U. Chile) |
3.5 | 218 km | JUJUY (Argentina) | INPRES |
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