Mag. 4.2 earthquake - South Pacific Ocean, 222 km northwest of Santiago, Santiago Metropolitan, Chile, on Thursday, 17 September 2015 at 11:12 (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 12 hours earlier.
Mag. 4.2 earthquake - South Pacific Ocean, 222 km northwest of Santiago, Santiago Metropolitan, Chile, on Thursday, 17 September 2015 at 11:12 (GMT)

Light magnitude 4.2 earthquake at 31 km depth

17 Sep 12:18 UTC: First to report: GUG (U. Chile) after 1 hour and 5 minutes.
Date & time: 17 Sep 2015 11:12:44 UTC
Magnitude: 4.2
Depth: 31.2 km
Epicenter latitude / longitude: 31.768°S / 71.915°W (South Pacific Ocean, Chile)
Nearby towns and cities:
72 km (45 mi) WSW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
100 km (62 mi) NW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
131 km (81 mi) NNW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
139 km (86 mi) NNW of Quillota (pop: 67,800) --> See nearby quakes!
144 km (89 mi) N of Valparaiso (pop: 282,400) --> See nearby quakes!
144 km (89 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
149 km (93 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
151 km (94 mi) NNW of Villa Alemana (pop: 97,300) --> See nearby quakes!
222 km (138 mi) NNW of Santiago (pop: 4,837,300) --> See nearby quakes!
240 km (149 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 4.231 km41 km al O de Los VilosGUG (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, 222 km northwest of Santiago, Santiago Metropolitan, Chile, on Thursday, 17 September 2015 at 11:12 (GMT)
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