Mag. 4.1 earthquake - Choapa, 28 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Friday, 18 September 2015 at 11:05 (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 1 day 12 hours earlier.
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Light magnitude 4.1 earthquake at 38 km depth
18 Sep 12:18 UTC: First to report: GUG (U. Chile) after 1 hour and 12 minutes.
Magnitude: 4.1
Depth: 37.9 km
Epicenter latitude / longitude: 31.589°S / 71.46°W
(Choapa, Coquimbo Region, Chile)Nearby towns and cities:
28 km (17 mi) W of Illapel (Choapa, Coquimbo Region) (pop: 22,800) --> See nearby quakes!
52 km (32 mi) WNW of Salamanca (Choapa, Coquimbo Region) (pop: 13,300) --> See nearby quakes!
98 km (61 mi) NNW of La Ligua (Petorca, Valparaíso) (pop: 24,900) --> See nearby quakes!
113 km (70 mi) SSW of Ovalle (Coquimbo Region) (pop: 77,100) --> See nearby quakes!
135 km (84 mi) N of Hacienda La Calera (Valparaíso) (pop: 49,100) --> See nearby quakes!
145 km (90 mi) N of Quillota (Valparaíso) (pop: 67,800) --> See nearby quakes!
160 km (99 mi) N of Viña del Mar (Valparaíso) (pop: 294,600) --> See nearby quakes!
162 km (100 mi) N of Valparaiso (Valparaíso) (pop: 282,400) --> See nearby quakes!
221 km (137 mi) NNW of Santiago (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
240 km (149 mi) NNW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 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 4.1 | 38 km | 21 km al S de Canela Baja | GUG (U. Chile) |
User reports for this quake
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Earlier earthquakes in the same area
Mag. 4.1 earthquake - Choapa, 28 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Friday, 18 September 2015 at 11:05 (GMT)
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