Moderate mag. 5.3 earthquake - South Pacific Ocean, 98 km northwest of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Thursday, 17 September 2015 at 05:44 (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 7 hours earlier.
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Moderate magnitude 5.3 earthquake at 25 km depth
17 Sep 06:18 UTC: First to report: GUG (U. Chile) after 33 minutes.
Hypocenter depth recalculated from 11.4 to 25.1 km.
Hypocenter depth recalculated from 11.4 to 25.1 km.
Magnitude: 5.3
Depth: 25.1 km
Epicenter latitude / longitude: 31.825°S / 71.958°W

Nearby towns and cities:
78 km (48 mi) WSW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
98 km (61 mi) NW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
127 km (79 mi) NW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
135 km (84 mi) NNW of Quillota (pop: 67,800) --> See nearby quakes!
138 km (86 mi) NNW of Valparaiso (pop: 282,400) --> See nearby quakes!
139 km (86 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
144 km (90 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
146 km (91 mi) NNW of Villa Alemana (pop: 97,300) --> See nearby quakes!
219 km (136 mi) NW of Santiago (pop: 4,837,300) --> See nearby quakes!
237 km (147 mi) NW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 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 5.3 | 25 km | 43 km al O de Los Vilos | GUG (U. Chile) |
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Moderate mag. 5.3 earthquake - South Pacific Ocean, 98 km northwest of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Thursday, 17 September 2015 at 05:44 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!