Mag. 3.1 earthquake - South Pacific Ocean, 249 km northwest of Santiago, Provincia de Santiago, Santiago Metropolitan, Chile, on Saturday, 31 October 2015 at 15:54 (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 6 weeks earlier.
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Minor magnitude 3.1 earthquake at 28 km depth
31 Oct 18:00 UTC: First to report: GUG (U. Chile) after 2 hours and 5 minutes.
Magnitude: 3.1
Depth: 28.3 km
Epicenter latitude / longitude: 31.733°S / 72.349°W
(South Pacific Ocean, Chile)Nearby towns and cities:
112 km (70 mi) W of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
132 km (82 mi) NW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
160 km (99 mi) NNW of Valparaiso (pop: 282,400) --> See nearby quakes!
162 km (101 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
165 km (102 mi) NW of Quillota (pop: 67,800) --> See nearby quakes!
167 km (104 mi) SW of Ovalle (pop: 77,100) --> See nearby quakes!
169 km (105 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
172 km (107 mi) NNW of Villa Alemana (pop: 97,300) --> See nearby quakes!
249 km (155 mi) NW of Santiago (pop: 4,837,300) --> See nearby quakes!
267 km (166 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 | 28 km | 82 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, 249 km northwest of Santiago, Provincia de Santiago, Santiago Metropolitan, Chile, on Saturday, 31 October 2015 at 15:54 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
