Mag. 3.6 earthquake - South Pacific Ocean, 80 km northwest of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Monday, 21 September 2015 at 10:42 (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 days earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Chile | Region de Valparaiso | Coquimbo Region | Santiago Metropolitan
Minor magnitude 3.6 earthquake at 23 km depth
21 Sep 11:18 UTC: First to report: GUG (U. Chile) after 35 minutes.
Magnitude: 3.6
Depth: 23.0 km
Epicenter latitude / longitude: 32.047°S / 71.928°W
(South Pacific Ocean, Chile)Nearby towns and cities:
80 km (49 mi) NW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
85 km (53 mi) WSW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
106 km (66 mi) NW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
113 km (70 mi) NW of Quillota (pop: 67,800) --> See nearby quakes!
114 km (71 mi) NNW of Valparaiso (pop: 282,400) --> See nearby quakes!
114 km (71 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
120 km (75 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
122 km (76 mi) NNW of Villa Alemana (pop: 97,300) --> See nearby quakes!
197 km (123 mi) NW of Santiago (pop: 4,837,300) --> See nearby quakes!
215 km (134 mi) NW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 1.6 x 1010 joules (4.4 megawatt hours, equivalent to 3.79 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 3.6 | 23 km | 42 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. 3.6 earthquake - South Pacific Ocean, 80 km northwest of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Monday, 21 September 2015 at 10:42 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
