Mag. 3.1 earthquake - South Pacific Ocean, 70 km northwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Saturday, 31 October 2015 at 00:49 (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 6 weeks earlier.
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Minor magnitude 3.1 earthquake at 20 km depth
31 Oct 01:14 UTC: First to report: GUG (U. Chile) after 24 minutes.
Magnitude: 3.1
Depth: 20.1 km
Epicenter latitude / longitude: 31.327°S / 71.818°W

Nearby towns and cities:
70 km (44 mi) WNW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
95 km (59 mi) WNW of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
100 km (62 mi) SW of Ovalle (pop: 77,100) --> See nearby quakes!
137 km (85 mi) NNW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
160 km (99 mi) SSW of Coquimbo (pop: 161,300) --> See nearby quakes!
167 km (104 mi) SSW of La Serena (pop: 154,500) --> See nearby quakes!
172 km (107 mi) NNW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
190 km (118 mi) N of Viña del Mar (pop: 294,600) --> See nearby quakes!
261 km (162 mi) NNW of Santiago (pop: 4,837,300) --> See nearby quakes!
280 km (174 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
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 | 20 km | 35 km al O de Canela Baja | GUG (U. Chile) |
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Mag. 3.1 earthquake - South Pacific Ocean, 70 km northwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Saturday, 31 October 2015 at 00:49 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!