Mag. 4.2 earthquake - South Pacific Ocean, 218 km northwest of Santiago, Santiago Metropolitan, Chile, on Friday, 18 September 2015 at 18:52 (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 1 day 20 hours earlier.
Mag. 4.2 earthquake - South Pacific Ocean, 218 km northwest of Santiago, Santiago Metropolitan, Chile, on Friday, 18 September 2015 at 18:52 (GMT)

Light magnitude 4.2 earthquake at 42 km depth

18 Sep 19:18 UTC: First to report: GUG (U. Chile) after 26 minutes.
Date & time: 18 Sep 2015 18:52:11 UTC
Magnitude: 4.2
Depth: 42.2 km
Epicenter latitude / longitude: 31.879°S / 72.032°W (South Pacific Ocean, Chile)
Nearby towns and cities:
86 km (53 mi) WSW of Illapel (Choapa) (pop: 22,800) --> See nearby quakes!
99 km (61 mi) NW of La Ligua (Petorca) (pop: 24,900) --> See nearby quakes!
126 km (79 mi) NW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
134 km (83 mi) NW of Quillota (pop: 67,800) --> See nearby quakes!
134 km (83 mi) NNW of Valparaiso (pop: 282,400) --> See nearby quakes!
135 km (84 mi) NNW of Viña del Mar (pop: 294,600) --> See nearby quakes!
141 km (88 mi) NNW of Quilpué (pop: 130,300) --> See nearby quakes!
143 km (89 mi) NNW of Villa Alemana (pop: 97,300) --> See nearby quakes!
218 km (136 mi) NW of Santiago (pop: 4,837,300) --> See nearby quakes!
236 km (147 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
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
MagnitudeDepthLocationSource
M 4.242 km49 km al O de Los VilosGUG (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!
Volcanoes & Earthquakes - new app for Android
to top

Earlier earthquakes in the same area

Mag. 4.2 earthquake - South Pacific Ocean, 218 km northwest of Santiago, Santiago Metropolitan, Chile, on Friday, 18 September 2015 at 18:52 (GMT)
Volcanoes & Earthquakes - new app for Android
Why is there advertising on this site?

Support us - Help us upgrade our server!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
Our server is reaching its limits and we need financing to increase capacity in order to deal with huge activity peaks when quakes occur. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every penny counts and every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features and in upgrading our software, please make a donation (PayPal or Online cc payment).

Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you! With best regards from the VolcanoDiscovery team.
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.