Mag. 3.1 earthquake - Choapa, 31 km southwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Friday, 9 October 2015 at 20:43 (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 3 weeks earlier.
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Minor magnitude 3.1 earthquake at 47 km depth
9 Oct 21:10 UTC: First to report: EMSC after 26 minutes.
Magnitude: 3.1
Depth: 47.0 km
Epicenter latitude / longitude: 31.85°S / 71.38°W
(Choapa, Coquimbo Region, Chile)Nearest volcano: Tupungatito (227 km / 141 mi)
Nearby towns and cities:
31 km (19 mi) SW of Illapel (Choapa, Coquimbo Region) (pop: 22,800) --> See nearby quakes!
40 km (25 mi) WSW of Salamanca (Choapa, Coquimbo Region) (pop: 13,300) --> See nearby quakes!
68 km (43 mi) NNW of La Ligua (Petorca, Valparaíso) (pop: 24,900) --> See nearby quakes!
105 km (65 mi) N of Hacienda La Calera (Valparaíso) (pop: 49,100) --> See nearby quakes!
116 km (72 mi) N of Quillota (Valparaíso) (pop: 67,800) --> See nearby quakes!
117 km (73 mi) NNW of San Felipe (Valparaíso) (pop: 59,300) --> See nearby quakes!
132 km (82 mi) N of Viña del Mar (Valparaíso) (pop: 294,600) --> See nearby quakes!
133 km (83 mi) N of Quilpué (Valparaíso) (pop: 130,300) --> See nearby quakes!
191 km (119 mi) NNW of Santiago (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
210 km (130 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 | 47 km | COQUIMBO, CHILE | EMSC |
| M 3.1 | 47 km | 14 km al NE de Los Vilos | GUG (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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Earlier earthquakes in the same area
Mag. 3.1 earthquake - Choapa, 31 km southwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Friday, 9 October 2015 at 20:43 (GMT)
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