Mag. 4.1 earthquake - South Pacific Ocean, 43 km west of Valparaiso, Region de Valparaiso, Chile, on Monday, 21 September 2015 at 05:07 (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.
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 22 km depth
21 Sep 06:18 UTC: First to report: GUG (U. Chile) after 1 hour and 10 minutes.
Magnitude: 4.1
Depth: 21.7 km
Epicenter latitude / longitude: 33.064°S / 72.089°W
(South Pacific Ocean, Chile)Nearest volcano: Tupungatito (216 km / 134 mi)
Nearby towns and cities:
43 km (27 mi) W of Valparaiso (pop: 282,400) --> See nearby quakes!
50 km (31 mi) W of Viña del Mar (pop: 294,600) --> See nearby quakes!
60 km (37 mi) W of Quilpué (pop: 130,300) --> See nearby quakes!
67 km (41 mi) W of Villa Alemana (pop: 97,300) --> See nearby quakes!
74 km (46 mi) NW of San Antonio (pop: 85,700) --> See nearby quakes!
77 km (48 mi) W of Limache (Marga Marga) (pop: 35,900) --> See nearby quakes!
81 km (50 mi) WSW of Quillota (pop: 67,800) --> See nearby quakes!
87 km (54 mi) WSW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
141 km (88 mi) WNW of Santiago (pop: 4,837,300) --> See nearby quakes!
153 km (95 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 | 22 km | 44 km al O de Valparaíso | GUG (U. Chile) |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
Earlier earthquakes in the same area
Mag. 4.1 earthquake - South Pacific Ocean, 43 km west of Valparaiso, Region de Valparaiso, Chile, on Monday, 21 September 2015 at 05:07 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
