Mag. 4.5 earthquake - Choapa, 59 km northwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 15:45 (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 17 hours earlier.
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Light magnitude 4.5 earthquake at 25 km depth
17 Sep 16:18 UTC: First to report: GUG (U. Chile) after 32 minutes.
Magnitude: 4.5
Depth: 25.0 km
Epicenter latitude / longitude: 31.278°S / 71.63°W
(Choapa, Coquimbo Region, Chile)Nearby towns and cities:
59 km (37 mi) NW of Illapel (Choapa, Coquimbo Region) (pop: 22,800) --> See nearby quakes!
84 km (52 mi) NW of Salamanca (Choapa, Coquimbo Region) (pop: 13,300) --> See nearby quakes!
86 km (53 mi) SSW of Ovalle (Coquimbo Region) (pop: 77,100) --> See nearby quakes!
91 km (57 mi) SW of Monte Patria (Coquimbo Region) (pop: 13,900) --> See nearby quakes!
136 km (84 mi) NNW of La Ligua (Petorca, Valparaíso) (pop: 24,900) --> See nearby quakes!
150 km (93 mi) S of Coquimbo (Coquimbo Region) (pop: 161,300) --> See nearby quakes!
157 km (98 mi) SSW of La Serena (Coquimbo Region) (pop: 154,500) --> See nearby quakes!
194 km (121 mi) N of Viña del Mar (Valparaíso) (pop: 294,600) --> See nearby quakes!
259 km (161 mi) NNW of Santiago (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
278 km (173 mi) NNW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 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 4.5 | 25 km | 21 km al NO de Canela Baja | GUG (U. Chile) |
User reports for this quake
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Earlier earthquakes in the same area
Mag. 4.5 earthquake - Choapa, 59 km northwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 15:45 (GMT)
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