Light mag. 4.6 earthquake - Cachapoal, 8.2 km northeast of Rengo, Provincia de Cachapoal, O\'Higgins Region, Chile, on Tuesday, 29 Dec 2020 2:31 pm (GMT -3) -

Light mag. 4.6 earthquake - Cachapoal, 8.2 km northeast of Rengo, Provincia de Cachapoal, O\'Higgins Region, Chile, on Tuesday, 29 Dec 2020 2:31 pm (GMT -3)

Light magnitude 4.6 earthquake at 96 km depth

29 Dec 17:36 UTC: First to report: GFZ after 5 minutes.
29 Dec 17:38: Magnitude recalculated from 4.7 to 4.6. Epicenter location corrected by 4.7 km (2.9 mi) towards ESE.
29 Dec 18:46: Now using data updates from GUG (U. Chile)
29 Dec 19:30: Hypocenter depth recalculated from 91.9 to 95.7 km (from 57 to 59 mi). Epicenter location corrected by 1.7 km (1.1 mi) towards NNW.
Update Tue, 29 Dec 2020, 17:45
Light 4.6 quake hits near Rengo, Provincia de Cachapoal, O'Higgins Region, Chile
4.6 quake 29 Dec 2:31 pm (GMT -3)
4.6 quake 29 Dec 2:31 pm (GMT -3)
Just 13 minutes ago, a 4.6-magnitude earthquake struck near Rengo, Provincia de Cachapoal, O'Higgins Region, Chile. The tremor was recorded early afternoon on Tuesday 29 December 2020 at 2:31 pm local time, at an intermediate depth of 91 km below the surface.
The event was filed by the German Research Centre for Geosciences (GFZ), the first seismological agency to report it.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 4.6 as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Rengo (pop. 38,100) located 13 km from the epicenter, Machali (pop. 27,600) 25 km away, Rancagua (pop. 212,700) 26 km away, San Vicente de Tagua Tagua (pop. 29,600) 33 km away, San Vicente (pop. 22,600) 34 km away, Graneros (pop. 23,300) 37 km away, Chimbarongo (pop. 17,400) 46 km away, Curico (pop. 102,400) 80 km away, Puente Alto (pop. 510,400) 89 km away, and Santiago (pop. 4,837,300) 105 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: 29 Dec 2020 17:31:59 UTC -
Local time at epicenter: Tuesday, 29 Dec 2020 2:31 pm (GMT -3)
Magnitude: 4.6
Depth: 95.7 km
Epicenter latitude / longitude: 34.372°S / 70.779°W (Cachapoal, O'Higgins Region, Chile)
Nearest volcano: Palomo (52 km / 32 mi)
Nearby towns and cities:
8 km (5 mi) ENE of Rengo (O'Higgins Region) (pop: 38,100) --> See nearby quakes!
23 km (14 mi) S of Rancagua (O'Higgins Region) (pop: 212,700) --> See nearby quakes!
24 km (15 mi) SSW of Machali (Provincia de Cachapoal, O'Higgins Region) (pop: 27,600) --> See nearby quakes!
28 km (18 mi) ENE of San Vicente de Tagua Tagua (Cachapoal, O'Higgins Region) (pop: 29,600) --> See nearby quakes!
29 km (18 mi) ENE of San Vicente (Cachapoal, O'Higgins Region) (pop: 22,600) --> See nearby quakes!
34 km (21 mi) S of Graneros (Cachapoal, O'Higgins Region) (pop: 23,300) --> See nearby quakes!
61 km (38 mi) ENE of Santa Cruz (Colchagua, O'Higgins Region) (pop: 33,300) --> See nearby quakes!
80 km (50 mi) NNE of Curico (Maule Region) (pop: 102,400) --> See nearby quakes!
87 km (54 mi) SSW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
102 km (64 mi) S of Santiago de Chile (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 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 4.696 km23 Km Al S De Rancagua, ChileGUG (U. Chile)
M 4.688 kmLIBERTADOR O'HIGGINS, CHILEEMSC
M 4.695 kmLIBERTADOR O'HIGGINS, CHILEEMSC
M 4.593 km4 Km NE of Rengo, ChileUSGS
M 4.691 kmChile-Argentina Border RegionGFZ

User reports for this quake (6)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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114 km N of epicenter [Map] / Weak shaking (MMI III) / both vertical and horizontal swinging / 10-15 s (reported through our app)
71 km N of epicenter [Map] / Weak shaking (MMI III) : Fue un temblor bebé. (reported through our app)
Santiago, chile / Very weak shaking (MMI II) / single vertical bump / 2-5 s : Sismo imperceptible.
Santiago de chile / Light shaking (MMI IV)
La florida región metropolitana / Very weak shaking (MMI II) / 1-2 s
Santiago de chile / Light shaking (MMI IV)
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