Light mag. 4.0 earthquake - Departamento de Calingasta, 182 km west of San Juan, Departamento de Capital, San Juan, Argentina, on Saturday, 20 Feb 2021 12:43 am (GMT -3) -

Light mag. 4.0 earthquake - Departamento de Calingasta, 182 km west of San Juan, Departamento de Capital, San Juan, Argentina, on Saturday, 20 Feb 2021 12:43 am (GMT -3)

Light magnitude 4.0 earthquake at 125 km depth

20 Feb 03:52 UTC: First to report: EMSC after 8 minutes.
20 Feb 04:03: Magnitude recalculated from 3.8 to 4.0. Hypocenter depth recalculated from 122.0 to 124.0 km (from 76 to 77 mi). Epicenter location corrected by 14 km (8.9 mi) towards W.
20 Feb 04:21: Hypocenter depth recalculated from 124.0 to 125.0 km (from 77 to 78 mi). Epicenter location corrected by 2.8 km (1.8 mi) towards W.
Date & time: 20 Feb 2021 03:43:46 UTC -
Local time at epicenter: Saturday, 20 Feb 2021 12:43 am (GMT -3)
Magnitude: 4
Depth: 125.0 km
Epicenter latitude / longitude: 31.42°S / 70.45°W (Departamento de Calingasta, San Juan, Argentina)
Nearest volcano: Tupungatito (229 km / 142 mi)
Nearby towns and cities:
63 km (39 mi) NE of Salamanca (Choapa, Coquimbo Region, Chile) (pop: 13,300) --> See nearby quakes!
72 km (45 mi) ENE of Illapel (Choapa, Coquimbo Region, Chile) (pop: 22,800) --> See nearby quakes!
98 km (61 mi) W of Calingasta (pop: 8,180) --> See nearby quakes!
116 km (72 mi) SE of Ovalle (Coquimbo Region, Chile) (pop: 77,100) --> See nearby quakes!
179 km (111 mi) W of Pocito (pop: 41,000) --> See nearby quakes!
182 km (113 mi) W of San Juan (pop: 447,000) --> See nearby quakes!
182 km (113 mi) W of Chimbas (pop: 73,800) --> See nearby quakes!
186 km (116 mi) W of Santa Lucia (pop: 43,600) --> See nearby quakes!
224 km (139 mi) NW of Mendoza (pop: 876,900) --> See nearby quakes!
227 km (141 mi) N of Santiago de Chile (Santiago Metropolitan, Chile) (pop: 4,837,300) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 4.1°C (39 F), humidity: 48%, wind: 2 m/s (3 kts) from NW
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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.
MagnitudeDepthLocationSource
4.0125 kmSAN JUAN, ARGENTINAEMSC
3.8115 kmSAN JUAN (Argentina)INPRES
4.0125 km47 Km Al N De Mina Los Pelambres, ArgentinaGUG (U. Chile)

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Earlier earthquakes in the same area

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