Mag. 4.2 earthquake - South Pacific Ocean, 68 km northwest of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Friday, 18 September 2015 at 00:10 (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 1 day 1 hours earlier.
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Light magnitude 4.2 earthquake at 39 km depth
18 Sep 01:18 UTC: First to report: GUG (U. Chile) after 1 hour and 8 minutes.
Magnitude: 4.2
Depth: 38.6 km
Epicenter latitude / longitude: 32.104°S / 71.826°W
(South Pacific Ocean, Chile)Nearest volcano: Tupungatito (238 km / 148 mi)
Nearby towns and cities:
68 km (42 mi) NW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
81 km (50 mi) SW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
95 km (59 mi) NW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
102 km (64 mi) NNW of Quillota (pop: 67,800) --> See nearby quakes!
105 km (65 mi) N of Valparaiso (pop: 282,400) --> See nearby quakes!
106 km (66 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
111 km (69 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
113 km (70 mi) NNW of Villa Alemana (pop: 97,300) --> See nearby quakes!
186 km (116 mi) NW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
204 km (127 mi) NW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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 4.2 | 39 km | 37 km al SO de Los Vilos | GUG (U. Chile) |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Earlier earthquakes in the same area
Mag. 4.2 earthquake - South Pacific Ocean, 68 km northwest of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Friday, 18 September 2015 at 00:10 (GMT)
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