Light mag. 4.8 earthquake - 37 km east of Salamanca, Provincia de Choapa, Coquimbo Region, Chile, on Tuesday, 5 Jan 2021 7:00 pm (GMT -3) -

Light mag. 4.8 earthquake - 37 km east of Salamanca, Provincia de Choapa, Coquimbo Region, Chile, on Tuesday, 5 Jan 2021 7:00 pm (GMT -3)

Light magnitude 4.8 earthquake at 133 km depth

5 Jan 22:05 UTC: First to report: GFZ after 5 minutes.
5 Jan 22:06: Magnitude recalculated from 4.6 to 4.5. Hypocenter depth recalculated from 103.0 to 104.0 km (from 64 to 65 mi). Epicenter location corrected by 1.1 km (0.7 mi) towards S.
5 Jan 22:18: Now using data updates from GUG (U. Chile)
5 Jan 22:20: Magnitude recalculated from 4.9 to 4.8.
Update Tue, 5 Jan 2021, 22:09
Magnitude 4.5 earthquake strikes near Calingasta, Departamento de Calingasta, San Juan, Argentina
4.5 quake 5 Jan 7:00 pm (GMT -3)
4.5 quake 5 Jan 7:00 pm (GMT -3)
Just 9 minutes ago, a 4.5-magnitude earthquake struck near Calingasta, Departamento de Calingasta, San Juan, Argentina. The tremor was recorded early evening on Tuesday 5 January 2021 at 7:00 pm local time, at an intermediate depth of 104 km below the surface.
The event was filed by the German Research Centre for Geosciences (GFZ), the first seismological agency to report it.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 4.8 earthquake. A third agency, INPRES, reported the same quake at magnitude 4.9.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Salamanca (pop. 13,300) located 66 km from the epicenter, Illapel (pop. 22,800) 86 km away, and Calingasta (pop. 8,200) 91 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you’re in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.
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Earthquake data:

Date & time: 5 Jan 2021 22:00:02 UTC -
Local time at epicenter: Tuesday, 5 Jan 2021 7:00 pm (GMT -3)
Magnitude: 4.8
Depth: 133.1 km
Epicenter latitude / longitude: 31.661°S / 70.6°W (Provincia de Choapa, Coquimbo Region, Chile)
Nearest volcano: Tupungatito (192 km / 119 mi)
Nearby towns and cities:
37 km (23 mi) ENE of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
54 km (34 mi) E of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
122 km (76 mi) N of San Felipe (Valparaíso) (pop: 59,300) --> See nearby quakes!
130 km (81 mi) N of Los Andes (Valparaíso) (pop: 56,900) --> See nearby quakes!
131 km (81 mi) SSE of Ovalle (pop: 77,100) --> See nearby quakes!
200 km (124 mi) N of Santiago de Chile (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
203 km (126 mi) SSE of Coquimbo (pop: 161,300) --> See nearby quakes!
205 km (127 mi) SSE of La Serena (pop: 154,500) --> See nearby quakes!
205 km (127 mi) SSE of La Serena (pop: 154,500) --> See nearby quakes!
217 km (135 mi) N of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds 12.2°C (54 F), humidity: 47%, wind: 4 m/s (7 kts) from WSW
Primary data source: GUG (U. Chile)
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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
M 4.8133 km18 Km Al N De Mina Los Pelambres, ChileGUG (U. Chile)
M 4.8127 kmSAN JUAN (Argentina)INPRES
M 4.8116 kmSAN JUAN, ARGENTINAEMSC
M 4.6113 kmChile-Argentina Border RegionGFZ
M 4.6108 km64 Km ENE of Salamanca, Chile, ArgentinaUSGS
M 4.472 kmChile-Argentina Border RegionUSP

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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196.3 km S of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
190.2 km S of epicenter [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 10-15 s : Movimiento leve sin ruido pero largo (reported through our app)
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