Mag. 3.1 earthquake - Choapa, 18 km north of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Friday, 4 December 2015 at 20:47 (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 11 weeks earlier.
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Minor magnitude 3.1 earthquake at 54 km depth
4 Dec 21:06 UTC: First to report: EMSC after 19 minutes.
Magnitude: 3.1
Depth: 54.0 km
Epicenter latitude / longitude: 31.48°S / 71.22°W
(Choapa, Coquimbo Region, Chile)Nearby towns and cities:
18 km (11 mi) NNW of Illapel (Choapa, Coquimbo Region) (pop: 22,800) --> See nearby quakes!
41 km (26 mi) NW of Salamanca (Choapa, Coquimbo Region) (pop: 13,300) --> See nearby quakes!
91 km (56 mi) SSW of Monte Patria (Coquimbo Region) (pop: 13,900) --> See nearby quakes!
98 km (61 mi) S of Ovalle (Coquimbo Region) (pop: 77,100) --> See nearby quakes!
108 km (67 mi) N of La Ligua (Petorca, Valparaíso) (pop: 24,900) --> See nearby quakes!
145 km (90 mi) N of Hacienda La Calera (Valparaíso) (pop: 49,100) --> See nearby quakes!
149 km (92 mi) NNW of San Felipe (Valparaíso) (pop: 59,300) --> See nearby quakes!
156 km (97 mi) N of Quillota (Valparaíso) (pop: 67,800) --> See nearby quakes!
226 km (141 mi) NNW of Santiago (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
245 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: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 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 3.1 | 54 km | COQUIMBO, CHILE | EMSC |
| M 3.1 | 54 km | 18 km al N de Illapel | GUG (U. Chile) |
User reports for this quake
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Earlier earthquakes in the same area
Mag. 3.1 earthquake - Choapa, 18 km north of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Friday, 4 December 2015 at 20:47 (GMT)
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