Mag. 4.9 earthquake - South Pacific Ocean, 59 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 06:38 (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 8 hours earlier.
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Light magnitude 4.9 earthquake at 43 km depth
17 Sep 07:18 UTC: First to report: GUG (U. Chile) after 39 minutes.
Sep 17 08:18: Magnitude recalculated from 4.7 to 4.9.
Hypocenter depth recalculated from 44.1 to 42.6 km.
Sep 17 08:18: Magnitude recalculated from 4.7 to 4.9.
Hypocenter depth recalculated from 44.1 to 42.6 km.
Magnitude: 4.9
Depth: 42.6 km
Epicenter latitude / longitude: 31.641°S / 71.789°W
(South Pacific Ocean, Chile)Nearby towns and cities:
59 km (36 mi) W of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
80 km (49 mi) W of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
104 km (65 mi) NNW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
129 km (80 mi) SSW of Ovalle (pop: 77,100) --> See nearby quakes!
147 km (91 mi) NNW of Quillota (pop: 67,800) --> See nearby quakes!
155 km (97 mi) N of Viña del Mar (pop: 294,600) --> See nearby quakes!
156 km (97 mi) N of Valparaiso (pop: 282,400) --> See nearby quakes!
160 km (99 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
229 km (142 mi) NNW of Santiago (pop: 4,837,300) --> See nearby quakes!
247 km (153 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 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 4.9 | 43 km | 40 km al NO de Los Vilos | GUG (U. Chile) |
User reports for this quake
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Earlier earthquakes in the same area
Mag. 4.9 earthquake - South Pacific Ocean, 59 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 06:38 (GMT)
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