Mag. 4.1 earthquake - South Pacific Ocean, 50 km west of Ovalle, Provincia de Limari, Coquimbo Region, Chile, on 2015-12-01 00:04:03 -03:00
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 11 weeks earlier.
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Light magnitude 4.1 earthquake at 31 km depth
1 Dec 03:18 UTC: First to report: USGS after 14 minutes.
Dec 1 05:38: Magnitude recalculated from 4.6 to 4.1.
Hypocenter depth recalculated from 22.6 to 30.9 km.
Dec 1 05:38: Magnitude recalculated from 4.6 to 4.1.
Hypocenter depth recalculated from 22.6 to 30.9 km.
Local time at epicenter: 2015-12-01 00:04:03 -03:00
Magnitude: 4.1
Depth: 30.9 km
Epicenter latitude / longitude: 30.465°S / 71.7004°W

Nearby towns and cities:
50 km (31 mi) WNW of Ovalle (pop: 77,100) --> See nearby quakes!
67 km (41 mi) SSW of Coquimbo (pop: 161,300) --> See nearby quakes!
76 km (47 mi) WNW of Monte Patria (pop: 13,900) --> See nearby quakes!
76 km (47 mi) SW of La Serena (pop: 154,500) --> See nearby quakes!
106 km (66 mi) WSW of Vicuña (pop: 13,500) --> See nearby quakes!
139 km (87 mi) NNW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
229 km (142 mi) SSW of Vallenar (pop: 44,900) --> See nearby quakes!
285 km (177 mi) N of Viña del Mar (pop: 294,600) --> See nearby quakes!
347 km (216 mi) NNW of Santiago (pop: 4,837,300) --> See nearby quakes!
366 km (227 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 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 4.1 | 31 km | - 50km WNW of Ovalle, Chile | USGS |
M 4.1 | 30 km | OFFSHORE COQUIMBO, CHILE | EMSC |
M 4.6 | 18 km | 21 km al SO de Tongoy | GUG (U. Chile) |
M 4.3 | 29 km | Near Coast of Central Chile | GFZ |
User reports for this quake (1)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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La Serena (Chile, 77 km NE of epicenter) : Movimiento horizontal leve, duracion aproximada 10 segundos (reported through EMSC)
Earlier earthquakes in the same area
Mag. 4.1 earthquake - South Pacific Ocean, 50 km west of Ovalle, Provincia de Limari, Coquimbo Region, Chile, on 2015-12-01 00:04:03 -03:00Click here to search our database for earlier earthquakes in the same area since 1900!