Moderate mag. 4.7 earthquake - South Pacific Ocean, 47 km southwest of Coquimbo, Provincia de Elqui, Coquimbo Region, Chile, on Thursday, 1 October 2015 at 02:25 (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 2 weeks earlier.
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Moderate magnitude 4.7 earthquake at 29 km depth
1 Oct 02:34 UTC: First to report: GFZ after 8 minutes.
Oct 1 12:10: Magnitude recalculated from 4.6 to 4.7.
Hypocenter depth recalculated from 27.0 to 29.0 km.
Oct 1 12:10: Magnitude recalculated from 4.6 to 4.7.
Hypocenter depth recalculated from 27.0 to 29.0 km.
Date & time: 1 Oct 2015 02:25:57 UTC
Magnitude: 4.7
Depth: 29.0 km
Epicenter latitude / longitude: 30.14°S / 71.78°W

Nearby towns and cities:
47 km (29 mi) WSW of Coquimbo (pop: 161,300) --> See nearby quakes!
57 km (36 mi) WSW of La Serena (pop: 154,500) --> See nearby quakes!
76 km (47 mi) NW of Ovalle (pop: 77,100) --> See nearby quakes!
176 km (109 mi) NNW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
200 km (124 mi) SSW of Vallenar (pop: 44,900) --> See nearby quakes!
299 km (186 mi) N of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
322 km (200 mi) N of Valparaiso (pop: 282,400) --> See nearby quakes!
339 km (211 mi) SSW of Copiapo (pop: 129,300) --> See nearby quakes!
384 km (239 mi) NNW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
403 km (250 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 tons of TNT) More info
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.
Magnitude | Depth | Location | Source |
M 4.7 | 29 km | Near Coast of Central Chile | GFZ |
M 4.6 | 5 km | OFFSHORE COQUIMBO, CHILE | EMSC |
M 5.1 | 35 km | 54 km al O de Tongoy | GUG (U. Chile) |
M 4.6 | 12 km | - 71km WSW of Coquimbo, Chile | USGS |
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