Mag. 3.9 earthquake - Choapa, 20 km southeast of Salamanca, Provincia de Choapa, Coquimbo Region, Chile, on Monday, 19 October 2015 at 20:18 (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 weeks earlier.
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Minor magnitude 3.9 earthquake at 96 km depth
19 Oct 20:40 UTC: First to report: GUG (U. Chile) after 22 minutes.
Magnitude: 3.9
Depth: 96.2 km
Epicenter latitude / longitude: 31.873°S / 70.778°W
(Choapa, Coquimbo Region, Chile)Nearest volcano: Tupungatito (193 km / 120 mi)
Nearby towns and cities:
20 km (13 mi) ESE of Salamanca (Choapa, Coquimbo Region) (pop: 13,300) --> See nearby quakes!
46 km (28 mi) SE of Illapel (Choapa, Coquimbo Region) (pop: 22,800) --> See nearby quakes!
77 km (48 mi) NNE of La Ligua (Petorca, Valparaíso) (pop: 24,900) --> See nearby quakes!
98 km (61 mi) N of San Felipe (Valparaíso) (pop: 59,300) --> See nearby quakes!
108 km (67 mi) N of Los Andes (Valparaíso) (pop: 56,900) --> See nearby quakes!
109 km (68 mi) NNE of Hacienda La Calera (Valparaíso) (pop: 49,100) --> See nearby quakes!
121 km (75 mi) NNE of Quillota (Valparaíso) (pop: 67,800) --> See nearby quakes!
142 km (88 mi) NNE of Villa Alemana (Valparaíso) (pop: 97,300) --> See nearby quakes!
177 km (110 mi) N of Santiago (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
194 km (121 mi) N of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 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 3.9 | 96 km | 19 km al O de Mina Los Pelambres | GUG (U. Chile) |
User reports for this quake
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Earlier earthquakes in the same area
Mag. 3.9 earthquake - Choapa, 20 km southeast of Salamanca, Provincia de Choapa, Coquimbo Region, Chile, on Monday, 19 October 2015 at 20:18 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
