Moderate mag. 4.1 earthquake - 21 km southwest of Pocito, San Juan, Argentina, on Tuesday, 19 Jan 2021 1:01 am (GMT -3) -
This quake was likely an aftershock of the 6.4 quake Departamento de Sarmiento, 20 km southwest of Pocito, San Juan, Argentina, 18 Jan 2021 11:46 pm (GMT -3), which had occurred 1 hour and 15 minutes earlier.
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Moderate magnitude 4.1 earthquake at 15 km depth
19 Jan 04:58 UTC: First to report: INPRES after 56 minutes.
Date & time: 19 Jan 2021 04:01:41 UTC -
Local time at epicenter: Tuesday, 19 Jan 2021 1:01 am (GMT -3)
Magnitude: 4.1
Depth: 15.0 km
Epicenter latitude / longitude: 31.763°S / 68.79°W
(Departamento de Pocito, San Juan, Argentina)Nearest volcano: Tupungatito (205 km / 127 mi)
Nearby towns and cities:
21 km (13 mi) WSW of Pocito (pop: 41,000) --> See nearby quakes!
24 km (15 mi) SSW of Villa Basilio Nievas (pop: 4,040) --> See nearby quakes!
35 km (22 mi) SW of San Juan (pop: 447,000) --> See nearby quakes!
37 km (23 mi) SW of Santa Lucia (pop: 43,600) --> See nearby quakes!
38 km (24 mi) SW of Villa Paula de Sarmiento (pop: 19,100) --> See nearby quakes!
39 km (25 mi) SW of Chimbas (pop: 73,800) --> See nearby quakes!
44 km (27 mi) SW of Albardon (pop: 20,400) --> See nearby quakes!
50 km (31 mi) WSW of Caucete (pop: 33,600) --> See nearby quakes!
125 km (78 mi) N of Mendoza (pop: 876,900) --> See nearby quakes!
257 km (159 mi) NE of Santiago de Chile (Santiago Metropolitan, Chile) (pop: 4,837,300) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds
21.1°C (70 F), humidity: 26%, wind: 1 m/s (1 kts) from NNW
Primary data source: INPRESBroken Clouds
21.1°C (70 F), humidity: 26%, wind: 1 m/s (1 kts) from NNWEstimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 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 |
| M 4.1 | 15 km | SAN JUAN (Argentina) | INPRES |
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