Moderate mag. 4.8 earthquake - Departamento de Sarmiento, 39 km southwest of Pocito, San Juan, Argentina, on Tuesday, 19 Jan 2021 12:08 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 22 minutes earlier.
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Moderate magnitude 4.8 earthquake at 10 km depth
19 Jan 04:04 UTC: First to report: USGS after 56 minutes.
20 Jan 00:46: Magnitude recalculated from 4.9 to 4.8. Epicenter location corrected by 9.6 km (6 mi) towards W.
20 Jan 00:46: Magnitude recalculated from 4.9 to 4.8. Epicenter location corrected by 9.6 km (6 mi) towards W.
Date & time: 19 Jan 2021 03:08:30 UTC -
Local time at epicenter: Tuesday, 19 Jan 2021 12:08 am (GMT -3)
Magnitude: 4.8
Depth: 10.0 km
Epicenter latitude / longitude: 31.8528°S / 68.9414°W
(Departamento de Sarmiento, San Juan, Argentina)Nearest volcano: Tupungatito (195 km / 121 mi)
Nearby towns and cities:
39 km (24 mi) WSW of Pocito (pop: 41,000) --> See nearby quakes!
52 km (32 mi) SW of San Juan (pop: 447,000) --> See nearby quakes!
55 km (34 mi) SW of Santa Lucia (pop: 43,600) --> See nearby quakes!
55 km (34 mi) SW of Villa Paula de Sarmiento (pop: 19,100) --> See nearby quakes!
56 km (35 mi) SW of Chimbas (pop: 73,800) --> See nearby quakes!
61 km (38 mi) SW of Albardon (pop: 20,400) --> See nearby quakes!
63 km (39 mi) SW of San Martin (pop: 10,100) --> See nearby quakes!
66 km (41 mi) WSW of Caucete (pop: 33,600) --> See nearby quakes!
116 km (72 mi) N of Mendoza (pop: 876,900) --> See nearby quakes!
240 km (149 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
21.7°C (71 F), humidity: 24%, wind: 2 m/s (3 kts) from E
Primary data source: USGS (United States Geological Survey)Broken Clouds
21.7°C (71 F), humidity: 24%, wind: 2 m/s (3 kts) from EEstimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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 4.8 | 10 km | 29 Km SW of Pocito, Argentina | USGS |
| M 3.6 | 11 km | SAN JUAN, ARGENTINA | EMSC |
| M 3.6 | 11 km | SAN JUAN (Argentina) | INPRES |
User reports for this quake
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