Light mag. 4.0 earthquake - 131 km south of Iquique, Tarapacá, Chile, on 28 Oct 1:13 pm (GMT -3) -

Light mag. 4.0 earthquake - 131 km south of Iquique, Tarapacá, Chile, on 28 Oct 1:13 pm (GMT -3)

Light magnitude 4.0 earthquake at 53 km depth

28 Oct 16:32 UTC: First to report: EMSC after 19 minutes.
28 Oct 16:34: Now using data updates from GUG (U. Chile)
Date & time: Oct 28, 2020 16:13:56 UTC -
Local time at epicenter: 28 Oct 1:13 pm (GMT -3)
Magnitude: 4
Depth: 52.9 km
Epicenter latitude / longitude: 21.359°S / 69.849°W (Provincia del Tamarugal, Tarapaca, Chile)
Antipode: 21.359°N / 110.151°E
Nearest volcano: Aucanquilcha (144 km / 89 mi)
Nearby towns and cities:
89 km (55 mi) NNE of Tocopilla (Antofagasta) (pop: 24,500) --> See nearby quakes!
131 km (82 mi) SSE of Iquique (Tarapacá) (pop: 227,500) --> See nearby quakes!
155 km (96 mi) NW of Calama (Antofagasta) (pop: 143,100) --> See nearby quakes!
242 km (150 mi) NW of San Pedro de Atacama (Antofagasta) (pop: 2,000) --> See nearby quakes!
261 km (162 mi) NNE of Antofagasta (pop: 309,800) --> See nearby quakes!
276 km (171 mi) W of San Cristobal de Lipez (Potosí, Bolivia) (pop: 75) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 22.6°C (73 F), humidity: 27%, wind: 6 m/s (12 kts) from W
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!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic 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.
Mag.DepthLocationSource
4.053 km47 Km Al NO De Quillagua, ChileGUG (U. Chile)
4.055 km86 Km NNE of Tocopilla, ChileEMSC
4.055 km86 Km NNE of Tocopilla, ChileUSGS

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.
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
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.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
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.