Weak mag. 3.9 earthquake - Departamento de Ullum, 42 km northwest of San Juan, Departamento de Capital, San Juan, Argentina, on Tuesday, 2 Mar 2021 4:37 pm (GMT -3) -

Weak mag. 3.9 earthquake - Departamento de Ullum, 42 km northwest of San Juan, Departamento de Capital, San Juan, Argentina, on Tuesday, 2 Mar 2021 4:37 pm (GMT -3)

Weak magnitude 3.9 earthquake at 116 km depth

2 Mar 19:44 UTC: First to report: INPRES after 7 minutes.
2 Mar 19:52: Magnitude recalculated from 4.0 to 3.9. Hypocenter depth recalculated from 112.0 to 116.0 km (from 70 to 72 mi). Epicenter location corrected by 3.3 km (2 mi) towards WNW.
Date & time: 2 Mar 2021 19:37:15 UTC -
Local time at epicenter: Tuesday, 2 Mar 2021 4:37 pm (GMT -3)
Magnitude: 3.9
Depth: 116.0 km
Epicenter latitude / longitude: 31.329°S / 68.902°W (Departamento de Ullum, San Juan, Argentina)
Nearest volcano: Tupungatito (245 km / 152 mi)
Nearby towns and cities:
29 km (18 mi) NW of Villa Basilio Nievas (pop: 4,040) --> See nearby quakes!
38 km (23 mi) WNW of Albardon (pop: 20,400) --> See nearby quakes!
39 km (24 mi) WNW of Chimbas (pop: 73,800) --> See nearby quakes!
39 km (24 mi) WNW of Villa Paula de Sarmiento (pop: 19,100) --> See nearby quakes!
42 km (26 mi) WNW of San Juan (pop: 447,000) --> See nearby quakes!
45 km (28 mi) WNW of Santa Lucia (pop: 43,600) --> See nearby quakes!
50 km (31 mi) NW of Pocito (pop: 41,000) --> See nearby quakes!
69 km (43 mi) WNW of Caucete (pop: 33,600) --> See nearby quakes!
174 km (108 mi) N of Mendoza (pop: 876,900) --> See nearby quakes!
288 km (179 mi) NE of Santiago de Chile (Santiago Metropolitan, Chile) (pop: 4,837,300) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 16.1°C (61 F), humidity: 81%, wind: 1 m/s (3 kts) from S
Primary data source: INPRES
Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 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
3.9116 kmSAN JUAN (Argentina)INPRES
4.0112 kmSAN JUAN, ARGENTINAEMSC

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Earlier earthquakes in the same area since 1900


Map of earlier quakes

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