Mag. 3.9 earthquake - Petorca, 22 km north of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Thursday, 12 November 2015 at 07:07 (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 weeks earlier.
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Minor magnitude 3.9 earthquake at 80 km depth
12 Nov 07:28 UTC: First to report: GUG (U. Chile) after 20 minutes.
Hypocenter depth recalculated from 80.2 to 79.6 km.
Hypocenter depth recalculated from 80.2 to 79.6 km.
Magnitude: 3.9
Depth: 79.6 km
Epicenter latitude / longitude: 32.269°S / 71.142°W

Nearest volcano: Tupungatito (177 km / 110 mi)
Nearby towns and cities:
22 km (14 mi) NNE of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
58 km (36 mi) N of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
66 km (41 mi) NW of San Felipe (pop: 59,300) --> See nearby quakes!
69 km (43 mi) N of Quillota (pop: 67,800) --> See nearby quakes!
81 km (50 mi) NW of Los Andes (pop: 56,900) --> See nearby quakes!
89 km (55 mi) NNE of Villa Alemana (pop: 97,300) --> See nearby quakes!
91 km (57 mi) NNE of Quilpué (pop: 130,300) --> See nearby quakes!
92 km (57 mi) NNE of Viña del Mar (pop: 294,600) --> See nearby quakes!
140 km (87 mi) NNW of Santiago de Chile (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
158 km (98 mi) NNW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 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 3.9 | 80 km | 20 km al O de Petorca | GUG (U. Chile) |
M 3.9 | 80 km | VALPARAISO, CHILE | EMSC |
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Mag. 3.9 earthquake - Petorca, 22 km north of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Thursday, 12 November 2015 at 07:07 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!