Moderate mag. 4.7 earthquake - South Pacific Ocean, 371 km northwest of Santiago de Chile, Provincia de Santiago, Santiago Metropolitan, Chile, on Thursday, 17 September 2015 at 22:08 (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 23 hours earlier.
Moderate mag. 4.7 earthquake - South Pacific Ocean, 371 km northwest of Santiago de Chile, Provincia de Santiago, Santiago Metropolitan, Chile, on Thursday, 17 September 2015 at 22:08 (GMT)

Moderate magnitude 4.7 earthquake at 34 km depth

17 Sep 23:18 UTC: First to report: GUG (U. Chile) after 1 hour and 10 minutes.
Date & time: 17 Sep 2015 22:08:05 UTC
Magnitude: 4.7
Depth: 33.8 km
Epicenter latitude / longitude: 30.358°S / 72.097°W (South Pacific Ocean, Chile)
Nearby towns and cities:
86 km (53 mi) WSW of Coquimbo (pop: 161,300) --> See nearby quakes!
90 km (56 mi) WNW of Ovalle (pop: 77,100) --> See nearby quakes!
96 km (60 mi) WSW of La Serena (pop: 154,500) --> See nearby quakes!
167 km (104 mi) NNW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
237 km (147 mi) SSW of Vallenar (pop: 44,900) --> See nearby quakes!
292 km (182 mi) NNW of Quillota (pop: 67,800) --> See nearby quakes!
296 km (184 mi) NNW of San Felipe (pop: 59,300) --> See nearby quakes!
301 km (187 mi) N of Valparaiso (pop: 282,400) --> See nearby quakes!
371 km (230 mi) NNW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
389 km (242 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
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 4.734 km59 km al O de TongoyGUG (U. Chile)

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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