Mag. 3.1 earthquake - South Pacific Ocean, 50 km west of Valparaiso, Provincia de Valparaiso, Region de Valparaiso, Chile, on Friday, 28 April 2017 at 12:23 (GMT)
This quake was likely an aftershock of the 6.6 quake South Pacific Ocean, 11 km west of Valparaiso, Provincia de Valparaiso, Region de Valparaiso, Chile, 24 April 2017 21:38 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
Minor magnitude 3.1 earthquake at 17 km depth
28 Apr 12:40 UTC: First to report: GUG (U. Chile) after 17 minutes.
Apr 28 15:10: Magnitude recalculated from 3.0 to 3.1.
Hypocenter depth recalculated from 16.9 to 16.7 km.
Apr 28 15:10: Magnitude recalculated from 3.0 to 3.1.
Hypocenter depth recalculated from 16.9 to 16.7 km.
Magnitude: 3.1
Depth: 16.7 km
Epicenter latitude / longitude: 32.99°S / 72.165°W
(South Pacific Ocean, Chile)Nearest volcano: Tupungatito (225 km / 140 mi)
Nearby towns and cities:
50 km (31 mi) W of Valparaiso (pop: 282,400) --> See nearby quakes!
57 km (36 mi) W of Viña del Mar (pop: 294,600) --> See nearby quakes!
68 km (42 mi) W of Quilpué (pop: 130,300) --> See nearby quakes!
81 km (51 mi) NW of Cartagena (San Antonio) (pop: 16,900) --> See nearby quakes!
85 km (53 mi) NW of San Antonio (pop: 85,700) --> See nearby quakes!
150 km (93 mi) WNW of Santiago (pop: 4,837,300) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 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 3.1 | 17 km | 52 km al O de Valparaíso | GUG (U. Chile) |
| M 3.0 | 17 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.
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. 3.1 earthquake - South Pacific Ocean, 50 km west of Valparaiso, Provincia de Valparaiso, Region de Valparaiso, Chile, on Friday, 28 April 2017 at 12:23 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
