Mag. 4.7 earthquake - Limarí Province, 36 km southwest of Ovalle, Provincia de Limari, Coquimbo Region, Chile, on Wednesday, 21 October 2015 at 18:45 (GMT)

This quake was likely an aftershock of the 7.8 quake Choapa, 36 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, 16 September 2015 22:54 GMT, which had occurred 5 weeks earlier.
Mag. 4.7 earthquake - Limarí Province, 36 km southwest of Ovalle, Provincia de Limari, Coquimbo Region, Chile, on Wednesday, 21 October 2015 at 18:45 (GMT)

Light magnitude 4.7 earthquake at 51 km depth

21 Oct 18:58 UTC: First to report: GFZ after 12 minutes.
Oct 21 19:40: Magnitude recalculated from 5.2 to 4.7.
Date & time: 21 Oct 2015 18:45:47 UTC
Magnitude: 4.7
Depth: 51.0 km
Epicenter latitude / longitude: 30.9°S / 71.35°W (Limarí Province, Coquimbo Region, Chile)
Nearby towns and cities:
36 km (23 mi) SSW of Ovalle (Coquimbo Region) (pop: 77,100) --> See nearby quakes!
44 km (27 mi) WSW of Monte Patria (Coquimbo Region) (pop: 13,900) --> See nearby quakes!
111 km (69 mi) S of La Serena (Coquimbo Region) (pop: 154,500) --> See nearby quakes!
292 km (181 mi) NNW of Santiago (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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 4.751 kmNear Coast of Central ChileGFZ
M 5.047 km COQUIMBO, CHILEEMSC
M 5.050 km12 km al O de PunitaquiGUG (U. Chile)

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Punitaqui (Chile, 14 km E of epicenter) : Felt Earthquake in Punitaqui (reported through EMSC)
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Earlier earthquakes in the same area

Mag. 4.7 earthquake - Limarí Province, 36 km southwest of Ovalle, Provincia de Limari, Coquimbo Region, Chile, on Wednesday, 21 October 2015 at 18:45 (GMT)
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