Mag. 4.2 earthquake - South Pacific Ocean, 89 km northwest of Valparaiso, Region de Valparaiso, Chile, on Monday, 21 September 2015 at 05:30 (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 4.2 earthquake at 35 km depth
21 Sep 08:18 UTC: First to report: GUG (U. Chile) after 2 hours and 48 minutes.
Magnitude: 4.2
Depth: 34.7 km
Epicenter latitude / longitude: 32.454°S / 72.28°W

Nearby towns and cities:
89 km (55 mi) NW of Valparaiso (pop: 282,400) --> See nearby quakes!
93 km (58 mi) NW of Viña del Mar (pop: 294,600) --> See nearby quakes!
98 km (61 mi) W of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
102 km (64 mi) NW of Quilpué (pop: 130,300) --> See nearby quakes!
106 km (66 mi) WNW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
107 km (67 mi) NW of Villa Alemana (pop: 97,300) --> See nearby quakes!
108 km (67 mi) WNW of Quillota (pop: 67,800) --> See nearby quakes!
114 km (71 mi) WNW of Limache (Marga Marga) (pop: 35,900) --> See nearby quakes!
189 km (117 mi) NW of Santiago (pop: 4,837,300) --> See nearby quakes!
205 km (127 mi) NW 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 | 35 km | 91 km al NO de Valparaíso | GUG (U. Chile) |
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Mag. 4.2 earthquake - South Pacific Ocean, 89 km northwest of Valparaiso, Region de Valparaiso, Chile, on Monday, 21 September 2015 at 05:30 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!