Mag. 4.2 earthquake - South Pacific Ocean, 51 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 21:20 (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 22 hours earlier.
Mag. 4.2 earthquake - South Pacific Ocean, 51 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 21:20 (GMT)

Light magnitude 4.2 earthquake at 40 km depth

17 Sep 22:18 UTC: First to report: GUG (U. Chile) after 57 minutes.
Date & time: 17 Sep 2015 21:20:58 UTC
Magnitude: 4.2
Depth: 40.3 km
Epicenter latitude / longitude: 31.489°S / 71.679°W (South Pacific Ocean, Chile)
Nearby towns and cities:
51 km (32 mi) WNW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
75 km (47 mi) WNW of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
109 km (68 mi) SSW of Ovalle (pop: 77,100) --> See nearby quakes!
115 km (72 mi) NNW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
150 km (93 mi) NNW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
160 km (100 mi) NNW of Quillota (pop: 67,800) --> See nearby quakes!
171 km (106 mi) N of Viña del Mar (pop: 294,600) --> See nearby quakes!
172 km (107 mi) N of Valparaiso (pop: 282,400) --> See nearby quakes!
239 km (149 mi) NNW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
258 km (160 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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
M 4.240 km23 km al O de Canela BajaGUG (U. Chile)

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

Mag. 4.2 earthquake - South Pacific Ocean, 51 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 21:20 (GMT)
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