Mag. 3.1 earthquake - South Pacific Ocean, 203 km northwest of Santiago de Chile, Provincia de Santiago, Santiago Metropolitan, Chile, on Monday, 21 September 2015 at 21:52 (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 5 days earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Chile | Valparaiso | Coquimbo Region | Santiago Metropolitan
Minor magnitude 3.1 earthquake at 35 km depth
21 Sep 22:18 UTC: First to report: GUG (U. Chile) after 25 minutes.
Magnitude: 3.1
Depth: 35.1 km
Epicenter latitude / longitude: 32.168°S / 72.191°W
(South Pacific Ocean, Chile)Nearby towns and cities:
96 km (59 mi) WNW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
110 km (68 mi) NNW of Valparaiso (pop: 282,400) --> See nearby quakes!
113 km (70 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
113 km (70 mi) WSW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
114 km (71 mi) NW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
119 km (74 mi) NW of Quillota (pop: 67,800) --> See nearby quakes!
120 km (75 mi) NW of Quilpué (pop: 130,300) --> See nearby quakes!
124 km (77 mi) NW of Villa Alemana (pop: 97,300) --> See nearby quakes!
203 km (126 mi) NW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
220 km (137 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 | 35 km | 70 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, 203 km northwest of Santiago de Chile, Provincia de Santiago, Santiago Metropolitan, Chile, on Monday, 21 September 2015 at 21:52 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
