Mag. 3.4 earthquake - Choapa, 26 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Sunday, 25 October 2015 at 11:00 (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 3.4 earthquake at 42 km depth
25 Oct 11:21 UTC: First to report: GUG (U. Chile) after 21 minutes.
Oct 25 11:49: Magnitude recalculated from 3.3 to 3.4.
Hypocenter depth recalculated from 37.4 to 41.8 km.
Oct 25 11:49: Magnitude recalculated from 3.3 to 3.4.
Hypocenter depth recalculated from 37.4 to 41.8 km.
Magnitude: 3.4
Depth: 41.8 km
Epicenter latitude / longitude: 31.6°S / 71.44°W
(Choapa, Coquimbo Region, Chile)Nearby towns and cities:
26 km (16 mi) W of Illapel (Choapa, Coquimbo Region) (pop: 22,800) --> See nearby quakes!
49 km (31 mi) WNW of Salamanca (Choapa, Coquimbo Region) (pop: 13,300) --> See nearby quakes!
97 km (60 mi) NNW of La Ligua (Petorca, Valparaíso) (pop: 24,900) --> See nearby quakes!
113 km (70 mi) S of Ovalle (Coquimbo Region) (pop: 77,100) --> See nearby quakes!
133 km (83 mi) N of Hacienda La Calera (Valparaíso) (pop: 49,100) --> See nearby quakes!
144 km (89 mi) N of Quillota (Valparaíso) (pop: 67,800) --> See nearby quakes!
144 km (90 mi) NNW of San Felipe (Valparaíso) (pop: 59,300) --> See nearby quakes!
159 km (99 mi) N of Viña del Mar (Valparaíso) (pop: 294,600) --> See nearby quakes!
219 km (136 mi) NNW of Santiago (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
238 km (148 mi) NNW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 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 3.4 | 42 km | 22 km al S de Canela Baja | GUG (U. Chile) |
| M 3.4 | 42 km | COQUIMBO, CHILE | EMSC |
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. 3.4 earthquake - Choapa, 26 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Sunday, 25 October 2015 at 11:00 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
