Light mag. 3.5 earthquake - Departamento de Sarmiento, 42 km west of Pocito, San Juan, Argentina, on Tuesday, 23 Feb 2021 11:18 am (GMT -3) -
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Light magnitude 3.5 earthquake at 7 km depth
23 Feb 14:24 UTC: First to report: INPRES after 5 minutes.
23 Feb 15:14: Magnitude recalculated from 3.4 to 3.5. Hypocenter depth recalculated from 10.0 to 7.0 km (from 6.2 to 4.3 mi). Epicenter location corrected by 12 km (7.4 mi) towards WNW.
23 Feb 15:14: Magnitude recalculated from 3.4 to 3.5. Hypocenter depth recalculated from 10.0 to 7.0 km (from 6.2 to 4.3 mi). Epicenter location corrected by 12 km (7.4 mi) towards WNW.
Date & time: 23 Feb 2021 14:18:40 UTC -
Local time at epicenter: Tuesday, 23 Feb 2021 11:18 am (GMT -3)
Magnitude: 3.5
Depth: 7.0 km
Epicenter latitude / longitude: 31.82°S / 69.002°W

Nearest volcano: Tupungatito (190 km / 118 mi)
Nearby towns and cities:
39 km (24 mi) SW of Villa Basilio Nievas (pop: 4,040) --> See nearby quakes!
42 km (26 mi) WSW of Pocito (pop: 41,000) --> See nearby quakes!
54 km (34 mi) SW of San Juan (pop: 447,000) --> See nearby quakes!
57 km (35 mi) SW of Villa Paula de Sarmiento (pop: 19,100) --> See nearby quakes!
57 km (36 mi) SW of Santa Lucia (pop: 43,600) --> See nearby quakes!
58 km (36 mi) SW of Chimbas (pop: 73,800) --> See nearby quakes!
62 km (39 mi) SW of Albardon (pop: 20,400) --> See nearby quakes!
71 km (44 mi) WSW of Caucete (pop: 33,600) --> See nearby quakes!
120 km (75 mi) N of Mendoza (pop: 876,900) --> See nearby quakes!
239 km (148 mi) NE of Santiago de Chile (Santiago Metropolitan, Chile) (pop: 4,837,300) --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds
22.2°C (72 F), humidity: 40%, wind: 1 m/s (2 kts) from E
Primary data source: INPRESFew Clouds

Estimated released energy: 1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 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 |
3.5 | 7 km | SAN JUAN (Argentina) | INPRES |
3.4 | 10 km | SAN JUAN, ARGENTINA | EMSC |
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