Mag. 3.8 earthquake - South Pacific Ocean, 224 km northwest of Santiago, Provincia de Santiago, Santiago Metropolitan, Chile, on Saturday, 31 October 2015 at 22:39 (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 3.8 earthquake at 43 km depth
31 Oct 22:56 UTC: First to report: GUG (U. Chile) after 17 minutes.
Hypocenter depth recalculated from 30.0 to 42.9 km.
Hypocenter depth recalculated from 30.0 to 42.9 km.
Magnitude: 3.8
Depth: 42.9 km
Epicenter latitude / longitude: 31.834°S / 72.069°W
(South Pacific Ocean, Chile)Nearby towns and cities:
88 km (55 mi) WSW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
105 km (65 mi) NW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
133 km (82 mi) NW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
140 km (87 mi) NW of Quillota (pop: 67,800) --> See nearby quakes!
140 km (87 mi) NNW of Valparaiso (pop: 282,400) --> See nearby quakes!
141 km (88 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
147 km (91 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
149 km (93 mi) NNW of Villa Alemana (pop: 97,300) --> See nearby quakes!
224 km (139 mi) NW of Santiago (pop: 4,837,300) --> See nearby quakes!
242 km (150 mi) NW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 3.2 x 1010 joules (8.78 megawatt hours, equivalent to 7.56 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 3.8 | 43 km | 53 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.
There are no user reports for this quake yet. If you felt it be the first to report it!
Earlier earthquakes in the same area
Mag. 3.8 earthquake - South Pacific Ocean, 224 km northwest of Santiago, Provincia de Santiago, Santiago Metropolitan, Chile, on Saturday, 31 October 2015 at 22:39 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
