Mag. 4.8 earthquake - South Pacific Ocean, 73 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 03:39 (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 5 hours earlier.
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Light magnitude 4.8 earthquake at 45 km depth
17 Sep 04:18 UTC: First to report: GUG (U. Chile) after 39 minutes.
Sep 17 11:18: Magnitude recalculated from 4.7 to 4.8.
Hypocenter depth recalculated from 44.2 to 45.2 km.
Sep 17 11:18: Magnitude recalculated from 4.7 to 4.8.
Hypocenter depth recalculated from 44.2 to 45.2 km.
Magnitude: 4.8
Depth: 45.2 km
Epicenter latitude / longitude: 31.452°S / 71.907°W
(South Pacific Ocean, Chile)Nearby towns and cities:
73 km (45 mi) WNW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
96 km (60 mi) WNW of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
116 km (72 mi) SW of Ovalle (pop: 77,100) --> See nearby quakes!
128 km (80 mi) NNW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
175 km (109 mi) SSW of Coquimbo (pop: 161,300) --> See nearby quakes!
178 km (111 mi) N of Viña del Mar (pop: 294,600) --> See nearby quakes!
178 km (111 mi) N of Valparaiso (pop: 282,400) --> See nearby quakes!
183 km (114 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
252 km (157 mi) NNW of Santiago (pop: 4,837,300) --> See nearby quakes!
271 km (168 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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 4.8 | 45 km | 43 km al O de Canela Baja | GUG (U. Chile) |
User reports for this quake
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Earlier earthquakes in the same area
Mag. 4.8 earthquake - South Pacific Ocean, 73 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 03:39 (GMT)
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