Mag. 4.6 earthquake - South Pacific Ocean, 74 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 05:57 (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 7 hours earlier.
Mag. 4.6 earthquake - South Pacific Ocean, 74 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 05:57 (GMT)

Light magnitude 4.6 earthquake at 23 km depth

17 Sep 06:18 UTC: First to report: GUG (U. Chile) after 21 minutes.
Date & time: 17 Sep 2015 05:57:10 UTC
Magnitude: 4.6
Depth: 22.7 km
Epicenter latitude / longitude: 31.853°S / 71.906°W (South Pacific Ocean, Chile)
Nearby towns and cities:
74 km (46 mi) WSW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
89 km (56 mi) W of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
92 km (57 mi) NW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
130 km (81 mi) NNW of Quillota (pop: 67,800) --> See nearby quakes!
134 km (83 mi) NNW of Valparaiso (pop: 282,400) --> See nearby quakes!
134 km (84 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
140 km (87 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
141 km (88 mi) NNW of Villa Alemana (pop: 97,300) --> See nearby quakes!
214 km (133 mi) NW of Santiago (pop: 4,837,300) --> See nearby quakes!
232 km (144 mi) NNW of Puente Alto (pop: 510,400) --> 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 4.623 km38 km al O de Los VilosGUG (U. Chile)

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
California / Severe shaking (MMI VIII)
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Earlier earthquakes in the same area

Mag. 4.6 earthquake - South Pacific Ocean, 74 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 05:57 (GMT)
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