Mag. 4.1 earthquake - South Pacific Ocean, 44 km northwest of Valparaiso, Provincia de Valparaiso, Region de Valparaiso, Chile, on Saturday, 3 October 2015 at 04:26 (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 2 weeks earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Chile | Region de Valparaiso | Santiago Metropolitan
Light magnitude 4.1 earthquake at 25 km depth
3 Oct 05:18 UTC: First to report: GUG (U. Chile) after 52 minutes.
Magnitude: 4.1
Depth: 25.2 km
Epicenter latitude / longitude: 32.834°S / 72.029°W
(South Pacific Ocean, Chile)Nearest volcano: Tupungatito (217 km / 135 mi)
Nearby towns and cities:
44 km (27 mi) WNW of Valparaiso (pop: 282,400) --> See nearby quakes!
49 km (31 mi) WNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
60 km (37 mi) WNW of Quilpué (pop: 130,300) --> See nearby quakes!
65 km (41 mi) WNW of Villa Alemana (pop: 97,300) --> See nearby quakes!
73 km (45 mi) W of Quillota (pop: 67,800) --> See nearby quakes!
74 km (46 mi) WNW of Limache (Marga Marga) (pop: 35,900) --> See nearby quakes!
76 km (47 mi) W of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
93 km (58 mi) NNW of San Antonio (pop: 85,700) --> See nearby quakes!
146 km (91 mi) WNW of Santiago (pop: 4,837,300) --> See nearby quakes!
161 km (100 mi) WNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
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 | 25 km | 45 km al NO de Valparaíso | GUG (U. Chile) |
| M 4.4 | 16 km | - 59km WNW of Valparaiso, Chile | USGS |
| M 4.4 | 16 km | OFFSHORE VALPARAISO, CHILE | EMSC |
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. 4.1 earthquake - South Pacific Ocean, 44 km northwest of Valparaiso, Provincia de Valparaiso, Region de Valparaiso, Chile, on Saturday, 3 October 2015 at 04:26 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
