Mag. 4.0 earthquake - South Pacific Ocean, 63 km west of Ovalle, Provincia de Limari, Coquimbo Region, Chile, on Monday, 21 September 2015 at 01:42 (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 4 days earlier.
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Light magnitude 4.0 earthquake at 33 km depth
21 Sep 02:18 UTC: First to report: GUG (U. Chile) after 36 minutes.
Magnitude: 4
Depth: 32.6 km
Epicenter latitude / longitude: 30.77°S / 71.831°W

Nearby towns and cities:
63 km (39 mi) WSW of Ovalle (pop: 77,100) --> See nearby quakes!
84 km (52 mi) W of Monte Patria (pop: 13,900) --> See nearby quakes!
102 km (64 mi) SSW of Coquimbo (pop: 161,300) --> See nearby quakes!
111 km (69 mi) SSW of La Serena (pop: 154,500) --> See nearby quakes!
115 km (71 mi) NW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
241 km (150 mi) NNW of Quillota (pop: 67,800) --> See nearby quakes!
244 km (151 mi) NNW of San Felipe (pop: 59,300) --> See nearby quakes!
256 km (159 mi) N of Quilpué (pop: 130,300) --> See nearby quakes!
319 km (198 mi) NNW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
337 km (210 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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 4.0 | 33 km | 55 km al O de Punitaqui | GUG (U. Chile) |
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Mag. 4.0 earthquake - South Pacific Ocean, 63 km west of Ovalle, Provincia de Limari, Coquimbo Region, Chile, on Monday, 21 September 2015 at 01:42 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!