Mag. 3.1 earthquake - South Pacific Ocean, 227 km northwest of Santiago, Provincia de Santiago, Santiago Metropolitan, Chile, on Sunday, 18 October 2015 at 04:47 (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 4 weeks earlier.
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Minor magnitude 3.1 earthquake at 8 km depth
18 Oct 05:10 UTC: First to report: GUG (U. Chile) after 22 minutes.
Magnitude: 3.1
Depth: 7.8 km
Epicenter latitude / longitude: 31.762°S / 72.001°W
(South Pacific Ocean, Chile)Nearby towns and cities:
80 km (50 mi) W of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
98 km (61 mi) W of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
106 km (66 mi) NW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
135 km (84 mi) NW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
143 km (89 mi) NNW of Quillota (pop: 67,800) --> See nearby quakes!
146 km (91 mi) NNW of Valparaiso (pop: 282,400) --> See nearby quakes!
147 km (91 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
152 km (95 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
227 km (141 mi) NW of Santiago (pop: 4,837,300) --> See nearby quakes!
245 km (152 mi) NW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 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 3.1 | 7.8 km | 49 km al O 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. 3.1 earthquake - South Pacific Ocean, 227 km northwest of Santiago, Provincia de Santiago, Santiago Metropolitan, Chile, on Sunday, 18 October 2015 at 04:47 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
