Mag. 3.7 earthquake - South Pacific Ocean, 70 km northwest of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Friday, 18 September 2015 at 14:26 (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 16 hours earlier.
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Minor magnitude 3.7 earthquake at 41 km depth
18 Sep 15:18 UTC: First to report: GUG (U. Chile) after 51 minutes.
Magnitude: 3.7
Depth: 41.3 km
Epicenter latitude / longitude: 32.077°S / 71.825°W
(South Pacific Ocean, Chile)Nearest volcano: Tupungatito (240 km / 149 mi)
Nearby towns and cities:
70 km (43 mi) NW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
79 km (49 mi) SW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
97 km (60 mi) NW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
105 km (65 mi) NNW of Quillota (pop: 67,800) --> See nearby quakes!
108 km (67 mi) N of Valparaiso (pop: 282,400) --> See nearby quakes!
108 km (67 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
114 km (71 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
115 km (72 mi) NNW of Villa Alemana (pop: 97,300) --> See nearby quakes!
189 km (117 mi) NW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
207 km (128 mi) NW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 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 3.7 | 41 km | 35 km al SO de Los Vilos | GUG (U. Chile) |
User reports for this quake
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Earlier earthquakes in the same area
Mag. 3.7 earthquake - South Pacific Ocean, 70 km northwest of La Ligua, Petorca Province, Region de Valparaiso, Chile, on Friday, 18 September 2015 at 14:26 (GMT)
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