Mag. 4.2 earthquake - South Pacific Ocean, 65 km northwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 07:05 (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 8 hours earlier.
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Light magnitude 4.2 earthquake at 42 km depth
17 Sep 07:18 UTC: First to report: GUG (U. Chile) after 12 minutes.
Hypocenter depth recalculated from 41.8 to 41.7 km.
Hypocenter depth recalculated from 41.8 to 41.7 km.
Magnitude: 4.2
Depth: 41.7 km
Epicenter latitude / longitude: 31.328°S / 71.754°W
(South Pacific Ocean, Chile)Nearby towns and cities:
65 km (40 mi) WNW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
90 km (56 mi) WNW of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
97 km (60 mi) SSW of Ovalle (pop: 77,100) --> See nearby quakes!
134 km (84 mi) NNW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
158 km (98 mi) SSW of Coquimbo (pop: 161,300) --> See nearby quakes!
166 km (103 mi) SSW of La Serena (pop: 154,500) --> See nearby quakes!
190 km (118 mi) N of Viña del Mar (pop: 294,600) --> See nearby quakes!
190 km (118 mi) N of Valparaiso (pop: 282,400) --> See nearby quakes!
259 km (161 mi) NNW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
277 km (172 mi) NNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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 4.2 | 42 km | 29 km al O de Canela Baja | GUG (U. Chile) |
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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Paderborn (12091.5 km NE of epicenter) [Map] / Weak shaking (MMI III) : Bin davon wach geworden mit Herzklopfen und hatte das Gefühl der Raum bewegt sich!
Earlier earthquakes in the same area
Mag. 4.2 earthquake - South Pacific Ocean, 65 km northwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Thursday, 17 September 2015 at 07:05 (GMT)
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