Mag. 4.0 earthquake - Valparaíso Province, 11 km south of Valparaiso, Region de Valparaiso, Chile, on Thursday, 27 April 2017 at 01:55 (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 2 days earlier.
Mag. 4.0 earthquake - Valparaíso Province, 11 km south of Valparaiso, Region de Valparaiso, Chile, on Thursday, 27 April 2017 at 01:55 (GMT)

Light magnitude 4.0 earthquake at 30 km depth

27 Apr 02:08 UTC: First to report: GUG (U. Chile) after 13 minutes.
Apr 27 03:54: Magnitude recalculated from 4.1 to 4.0.
Date & time: 27 Apr 2017 01:55:06 UTC
Magnitude: 4
Depth: 30.0 km
Epicenter latitude / longitude: 33.131°S / 71.671°W (Valparaíso Province, Region de Valparaiso, Chile)
Nearest volcano: Tupungatito (177 km / 110 mi)
Nearby towns and cities:
11 km (7 mi) SSW of Valparaiso (pop: 282,400) --> See nearby quakes!
16 km (10 mi) SW of Viña del Mar (pop: 294,600) --> See nearby quakes!
23 km (14 mi) WSW of Quilpué (pop: 130,300) --> See nearby quakes!
29 km (18 mi) WSW of Villa Alemana (pop: 97,300) --> See nearby quakes!
40 km (25 mi) WSW of Limache (Marga Marga) (pop: 35,900) --> See nearby quakes!
48 km (30 mi) SW of Quillota (pop: 67,800) --> See nearby quakes!
52 km (32 mi) N of San Antonio (pop: 85,700) --> See nearby quakes!
57 km (36 mi) SW of Hacienda La Calera (pop: 49,100) --> See nearby quakes!
102 km (63 mi) WNW of Santiago (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
115 km (71 mi) WNW of Puente Alto (Santiago Metropolitan) (pop: 510,400) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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 4.030 km11 km al SO de ValparaísoGUG (U. Chile)
M 3.930 km- offshore Valparaiso, ChileUSGS

User reports for this quake (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Valparaíso / Light shaking (MMI IV)
39.8 km NNE of epicenter [Map] / Very weak shaking (MMI II) : Ruidoso (reported through our app)
100.2 km ESE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
21.1 km NE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Volcanoes & Earthquakes - new app for Android
to top

Earlier earthquakes in the same area

Mag. 4.0 earthquake - Valparaíso Province, 11 km south of Valparaiso, Region de Valparaiso, Chile, on Thursday, 27 April 2017 at 01:55 (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.