Mag. 4.3 earthquake - South Pacific Ocean, 37 km southwest of Valparaiso, Region de Valparaiso, Chile, on Friday, 28 April 2017 at 17:09 (GMT)
This quake was likely an aftershock of the 6.6 quake South Pacific Ocean, 11 km west of 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
Light magnitude 4.3 earthquake at 24 km depth
28 Apr 17:23 UTC: First to report: EMSC after 14 minutes.
Magnitude: 4.3
Depth: 24.0 km
Epicenter latitude / longitude: 33.25°S / 71.93°W
(South Pacific Ocean, Chile)Nearest volcano: San José (198 km / 123 mi)
Nearby towns and cities:
37 km (23 mi) SW of Valparaiso (pop: 282,400) --> See nearby quakes!
43 km (27 mi) SW of Viña del Mar (pop: 294,600) --> See nearby quakes!
45 km (28 mi) NW of Cartagena (San Antonio) (pop: 16,900) --> See nearby quakes!
49 km (30 mi) NW of San Antonio (pop: 85,700) --> See nearby quakes!
51 km (31 mi) WSW of Quilpué (pop: 130,300) --> See nearby quakes!
57 km (35 mi) WSW of Villa Alemana (pop: 97,300) --> See nearby quakes!
67 km (42 mi) WSW of Limache (Marga Marga) (pop: 35,900) --> See nearby quakes!
75 km (47 mi) WSW of Quillota (pop: 67,800) --> See nearby quakes!
121 km (75 mi) W of Santiago (pop: 4,837,300) --> See nearby quakes!
132 km (82 mi) WNW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 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 4.3 | 24 km | OFFSHORE VALPARAISO, CHILE | EMSC |
| M 4.3 | 24 km | 33 km al NO de El Tabo | GUG (U. Chile) |
| M 4.6 | 20 km | - 50km WSW of Valparaiso, Chile | USGS |
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. 4.3 earthquake - South Pacific Ocean, 37 km southwest of Valparaiso, Region de Valparaiso, Chile, on Friday, 28 April 2017 at 17:09 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
