Mag. 3.1 earthquake - South Pacific Ocean, 56 km west of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Friday, 18 September 2015 at 13:26 (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 15 hours earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Chile | Region de Valparaiso | Santiago Metropolitan
Minor magnitude 3.1 earthquake at 28 km depth
18 Sep 14:18 UTC: First to report: GUG (U. Chile) after 51 minutes.
Magnitude: 3.1
Depth: 27.8 km
Epicenter latitude / longitude: 32.352°S / 71.818°W
(South Pacific Ocean, Chile)Nearest volcano: Tupungatito (222 km / 138 mi)
Nearby towns and cities:
56 km (35 mi) W of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
74 km (46 mi) NW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
80 km (49 mi) NW of Quillota (pop: 67,800) --> See nearby quakes!
164 km (102 mi) NW of Santiago (pop: 4,837,300) --> 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 | 56 km al O de La Ligua | 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, 56 km west of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Friday, 18 September 2015 at 13:26 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
