Mag. 3.7 earthquake - South Pacific Ocean, 66 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Friday, 9 October 2015 at 04:44 (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 3 weeks earlier.
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Minor magnitude 3.7 earthquake at 35 km depth
9 Oct 05:18 UTC: First to report: GUG (U. Chile) after 33 minutes.
Oct 9 13:18: Magnitude recalculated from 3.6 to 3.7.
Hypocenter depth recalculated from 32.5 to 35.4 km.
Oct 9 13:18: Magnitude recalculated from 3.6 to 3.7.
Hypocenter depth recalculated from 32.5 to 35.4 km.
Magnitude: 3.7
Depth: 35.4 km
Epicenter latitude / longitude: 31.632°S / 71.864°W
(South Pacific Ocean, Chile)Nearby towns and cities:
66 km (41 mi) W of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
233 km (145 mi) NNW of Santiago (pop: 4,837,300) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 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 3.7 | 35 km | 46 km al NO 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. 3.7 earthquake - South Pacific Ocean, 66 km west of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Friday, 9 October 2015 at 04:44 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
