Mag. 3.5 earthquake - 27 km northeast of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Monday, 28 September 2015 at 11:57 (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 12 days earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Chile | Region de Valparaiso | Coquimbo Region | Santiago Metropolitan
Minor magnitude 3.5 earthquake at 81 km depth
28 Sep 12:18 UTC: First to report: GUG (U. Chile) after 21 minutes.
Magnitude: 3.5
Depth: 80.9 km
Epicenter latitude / longitude: 32.243°S / 71.081°W
(Petorca Province, Region de Valparaiso, Chile)Nearest volcano: Tupungatito (175 km / 109 mi)
Nearby towns and cities:
27 km (17 mi) NNE of La Ligua (Petorca, Valparaíso) (pop: 24,900) --> See nearby quakes!
61 km (38 mi) N of Hacienda La Calera (Valparaíso) (pop: 49,100) --> See nearby quakes!
65 km (41 mi) NNW of San Felipe (Valparaíso) (pop: 59,300) --> See nearby quakes!
68 km (42 mi) S of Illapel (Choapa, Coquimbo Region) (pop: 22,800) --> See nearby quakes!
73 km (45 mi) NNE of Quillota (Valparaíso) (pop: 67,800) --> See nearby quakes!
80 km (50 mi) NW of Los Andes (Valparaíso) (pop: 56,900) --> See nearby quakes!
93 km (58 mi) NNE of Villa Alemana (Valparaíso) (pop: 97,300) --> See nearby quakes!
96 km (59 mi) NNE of Quilpué (Valparaíso) (pop: 130,300) --> See nearby quakes!
141 km (88 mi) NNW of Santiago de Chile (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
159 km (99 mi) NNW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 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 3.5 | 81 km | 14 km al O de Petorca | GUG (U. Chile) |
User reports for this quake
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Earlier earthquakes in the same area
Mag. 3.5 earthquake - 27 km northeast of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Monday, 28 September 2015 at 11:57 (GMT)
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