Mag. 3.5 earthquake - South Pacific Ocean, 46 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Wednesday, 28 October 2015 at 04:20 (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 6 weeks earlier.
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Minor magnitude 3.5 earthquake at 38 km depth
28 Oct 04:35 UTC: First to report: GUG (U. Chile) after 14 minutes.
Hypocenter depth recalculated from 38.1 to 37.9 km.
Hypocenter depth recalculated from 38.1 to 37.9 km.
Magnitude: 3.5
Depth: 37.9 km
Epicenter latitude / longitude: 31.759°S / 71.632°W
(South Pacific Ocean, Chile)Nearby towns and cities:
46 km (29 mi) WSW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
63 km (39 mi) W of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
86 km (53 mi) NNW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
120 km (75 mi) NNW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
130 km (81 mi) NNW of Quillota (pop: 67,800) --> See nearby quakes!
135 km (84 mi) SSW of Ovalle (pop: 77,100) --> See nearby quakes!
141 km (88 mi) N of Viña del Mar (pop: 294,600) --> See nearby quakes!
142 km (88 mi) N of Valparaiso (pop: 282,400) --> See nearby quakes!
210 km (131 mi) NNW of Santiago (pop: 4,837,300) --> See nearby quakes!
229 km (142 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 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 3.5 | 38 km | 20 km al NO de Los Vilos | GUG (U. Chile) |
| M 3.5 | 38 km | OFFSHORE COQUIMBO, CHILE | EMSC |
User reports for this quake
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Earlier earthquakes in the same area
Mag. 3.5 earthquake - South Pacific Ocean, 46 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Wednesday, 28 October 2015 at 04:20 (GMT)
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