Mag. 3.9 earthquake - South Pacific Ocean, 49 km northwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 18:41 (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 20 hours earlier.
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Minor magnitude 3.9 earthquake at 49 km depth
17 Sep 20:18 UTC: First to report: GUG (U. Chile) after 1 hour and 37 minutes.
Magnitude: 3.9
Depth: 48.5 km
Epicenter latitude / longitude: 31.442°S / 71.633°W

Nearby towns and cities:
49 km (30 mi) WNW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
74 km (46 mi) WNW of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
102 km (64 mi) SSW of Ovalle (pop: 77,100) --> See nearby quakes!
119 km (74 mi) NNW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
164 km (102 mi) NNW of Quillota (pop: 67,800) --> See nearby quakes!
168 km (104 mi) S of Coquimbo (pop: 161,300) --> See nearby quakes!
175 km (109 mi) SSW of La Serena (pop: 154,500) --> See nearby quakes!
176 km (109 mi) N of Viña del Mar (pop: 294,600) --> See nearby quakes!
242 km (151 mi) NNW of Santiago (pop: 4,837,300) --> See nearby quakes!
261 km (162 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 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 3.9 | 49 km | 17 km al O de Canela Baja | GUG (U. Chile) |
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Mag. 3.9 earthquake - South Pacific Ocean, 49 km northwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 18:41 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!