Mag. 4.9 earthquake - 30 km northwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Saturday, 24 October 2015 at 21:24 (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 5 weeks earlier.
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Light magnitude 4.9 earthquake at 41 km depth
24 Oct 21:31 UTC: First to report: GFZ after 6 minutes.
Oct 25 09:12: Magnitude recalculated from 5.0 to 4.9.
Hypocenter depth recalculated from 39.0 to 41.0 km.
Oct 25 09:12: Magnitude recalculated from 5.0 to 4.9.
Hypocenter depth recalculated from 39.0 to 41.0 km.
Magnitude: 4.9
Depth: 41.0 km
Epicenter latitude / longitude: 31.4°S / 71.32°W
(Provincia de Choapa, Coquimbo Region, Chile)Nearby towns and cities:
30 km (18 mi) NNW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
54 km (34 mi) NW of Salamanca (Choapa) (pop: 13,300) --> See nearby quakes!
86 km (53 mi) SSW of Monte Patria (pop: 13,900) --> See nearby quakes!
90 km (56 mi) S of Ovalle (pop: 77,100) --> See nearby quakes!
117 km (73 mi) N of La Ligua (Petorca, Valparaíso) (pop: 24,900) --> See nearby quakes!
160 km (100 mi) NNW of San Felipe (Valparaíso) (pop: 59,300) --> See nearby quakes!
161 km (100 mi) S of Coquimbo (pop: 161,300) --> See nearby quakes!
166 km (103 mi) S of La Serena (pop: 154,500) --> See nearby quakes!
237 km (147 mi) NNW of Santiago (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
256 km (159 mi) NNW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 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 4.9 | 41 km | Near Coast of Central Chile | GFZ |
| M 5.1 | 48 km | COQUIMBO, CHILE | EMSC |
| M 5.0 | 48 km | - 35km NW of Illapel, Chile | USGS |
| M 5.0 | 51 km | 5 km al SE de Canela Baja | GUG (U. Chile) |
User reports for this quake (3)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Leave a comment if you find a particular report interesting or want to add to it.
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Send your own user report!
Vallenar (Chile, 320 km N of epicenter) : Porque estaba sentado leyendo lo sentí. Muy leve aquí en Vallenar! (reported through EMSC)
Illapel (Chile, 30 km SE of epicenter) : Ir was so largue and noise (reported through EMSC)
La Serena (Chile, 176 km N of epicenter) : Balanceo que duro aproximadamente 15 segundos, con poco ruido (reported through EMSC)
Earlier earthquakes in the same area
Mag. 4.9 earthquake - 30 km northwest of Illapel, Provincia de Choapa, Coquimbo Region, Chile, on Saturday, 24 October 2015 at 21:24 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
