Mag. 3.9 earthquake - South Pacific Ocean, 253 km northwest of Santiago, Provincia de Santiago, Santiago Metropolitan, Chile, on Tuesday, 27 October 2015 at 00:16 (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 3.9 earthquake at 44 km depth
27 Oct 00:35 UTC: First to report: GUG (U. Chile) after 19 minutes.
Oct 27 00:42: Magnitude recalculated from 3.8 to 3.9.
Hypocenter depth recalculated from 42.3 to 43.7 km.
Oct 27 00:42: Magnitude recalculated from 3.8 to 3.9.
Hypocenter depth recalculated from 42.3 to 43.7 km.
Magnitude: 3.9
Depth: 43.7 km
Epicenter latitude / longitude: 31.652°S / 72.284°W
(South Pacific Ocean, Chile)Nearby towns and cities:
106 km (66 mi) W of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
133 km (83 mi) NW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
156 km (97 mi) SW of Ovalle (pop: 77,100) --> See nearby quakes!
166 km (103 mi) NNW of Valparaiso (pop: 282,400) --> See nearby quakes!
167 km (104 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
168 km (104 mi) NW of Quillota (pop: 67,800) --> See nearby quakes!
174 km (108 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
177 km (110 mi) NNW of Villa Alemana (pop: 97,300) --> See nearby quakes!
253 km (157 mi) NW of Santiago (pop: 4,837,300) --> See nearby quakes!
270 km (168 mi) NW of Puente Alto (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 | 44 km | 79 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. 3.9 earthquake - South Pacific Ocean, 253 km northwest of Santiago, Provincia de Santiago, Santiago Metropolitan, Chile, on Tuesday, 27 October 2015 at 00:16 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
