Mag. 3.7 earthquake - 33 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 15 October 2015 at 22:01 (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 4 weeks earlier.
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Minor magnitude 3.7 earthquake at 36 km depth
15 Oct 22:18 UTC: First to report: EMSC after 16 minutes.
Hypocenter depth recalculated from 35.0 to 36.0 km.
Hypocenter depth recalculated from 35.0 to 36.0 km.
Magnitude: 3.7
Depth: 36.0 km
Epicenter latitude / longitude: 31.56°S / 71.51°W

Nearby towns and cities:
33 km (21 mi) WNW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
57 km (36 mi) WNW of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
103 km (64 mi) NNW of La Ligua (Petorca, Valparaíso) (pop: 24,900) --> See nearby quakes!
111 km (69 mi) SSW of Ovalle (pop: 77,100) --> See nearby quakes!
139 km (86 mi) NNW of Hacienda La Calera (Valparaíso) (pop: 49,100) --> See nearby quakes!
149 km (93 mi) N of Quillota (Valparaíso) (pop: 67,800) --> See nearby quakes!
163 km (101 mi) N of Viña del Mar (Valparaíso) (pop: 294,600) --> See nearby quakes!
179 km (112 mi) S of Coquimbo (pop: 161,300) --> See nearby quakes!
226 km (140 mi) NNW of Santiago (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
244 km (152 mi) NNW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 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 3.7 | 36 km | COQUIMBO, CHILE | EMSC |
M 3.7 | 36 km | 18 km al S de Canela Baja | GUG (U. Chile) |
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Mag. 3.7 earthquake - 33 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 15 October 2015 at 22:01 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!