Mag. 4.0 earthquake - South Pacific Ocean, 271 km northwest of Santiago, Santiago Metropolitan, Chile, on Thursday, 17 September 2015 at 15:38 (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 17 hours earlier.
Mag. 4.0 earthquake - South Pacific Ocean, 271 km northwest of Santiago, Santiago Metropolitan, Chile, on Thursday, 17 September 2015 at 15:38 (GMT)

Light magnitude 4.0 earthquake at 23 km depth

17 Sep 16:18 UTC: First to report: GUG (U. Chile) after 40 minutes.
Date & time: 17 Sep 2015 15:38:27 UTC
Magnitude: 4
Depth: 23.0 km
Epicenter latitude / longitude: 31.324°S / 72.042°W (South Pacific Ocean, Chile)
Nearby towns and cities:
90 km (56 mi) WNW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
114 km (71 mi) SW of Ovalle (pop: 77,100) --> See nearby quakes!
147 km (91 mi) NNW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
167 km (104 mi) SSW of Coquimbo (pop: 161,300) --> See nearby quakes!
175 km (109 mi) SSW of La Serena (pop: 154,500) --> See nearby quakes!
194 km (121 mi) NNW of Valparaiso (pop: 282,400) --> See nearby quakes!
195 km (121 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
200 km (124 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
271 km (168 mi) NNW of Santiago (pop: 4,837,300) --> See nearby quakes!
289 km (180 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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 4.023 km56 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. 4.0 earthquake - South Pacific Ocean, 271 km northwest of Santiago, Santiago Metropolitan, Chile, on Thursday, 17 September 2015 at 15:38 (GMT)
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