Mag. 3.7 earthquake - South Pacific Ocean, 74 km northwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Sunday, 20 September 2015 at 10:12 (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 days earlier.
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Minor magnitude 3.7 earthquake at 29 km depth
20 Sep 11:18 UTC: First to report: GUG (U. Chile) after 1 hour and 6 minutes.
Magnitude: 3.7
Depth: 28.6 km
Epicenter latitude / longitude: 31.25°S / 71.807°W
(South Pacific Ocean, Chile)Nearby towns and cities:
74 km (46 mi) NW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
93 km (58 mi) SW of Ovalle (pop: 77,100) --> See nearby quakes!
99 km (62 mi) NW of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
144 km (90 mi) NNW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
151 km (94 mi) SSW of Coquimbo (pop: 161,300) --> See nearby quakes!
159 km (99 mi) SSW of La Serena (pop: 154,500) --> See nearby quakes!
199 km (124 mi) N of Viña del Mar (pop: 294,600) --> See nearby quakes!
199 km (124 mi) N of Valparaiso (pop: 282,400) --> See nearby quakes!
269 km (167 mi) NNW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
287 km (178 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 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 3.7 | 29 km | 37 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. 3.7 earthquake - South Pacific Ocean, 74 km northwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Sunday, 20 September 2015 at 10:12 (GMT)
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