Light mag. 4.1 earthquake - 53 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile, on 12 May 12:23 am (GMT -4) -

Light mag. 4.1 earthquake - 53 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile, on 12 May 12:23 am (GMT -4)

Light magnitude 4.1 earthquake at 108 km depth

12 May 04:40 UTC: First to report: EMSC after 16 minutes.
12 May 04:40: Now using data updates from GUG (U. Chile)
Date & time: May 12, 2021 04:23:38 UTC -
Local time at epicenter: 12 May 12:23 am (GMT -4)
Magnitude: 4.1
Depth: 107.5 km
Epicenter latitude / longitude: 22.163°S / 68.517°W (Provincia de El Loa, Antofagasta, Chile)
Antipode: 22.163°N / 111.483°E
Nearest volcano: San Pedro (34 km / 21 mi)
Nearby towns and cities:
53 km (33 mi) NE of Calama (pop: 143,100) --> See nearby quakes!
89 km (55 mi) NNW of San Pedro de Atacama (pop: 2,000) --> See nearby quakes!
173 km (108 mi) E of Tocopilla (pop: 24,500) --> See nearby quakes!
254 km (158 mi) NE of Antofagasta (pop: 309,800) --> See nearby quakes!
258 km (160 mi) SW of Uyuni (Antonio Quijarro, Potosí, Bolivia) (pop: 10,300) --> See nearby quakes!
264 km (164 mi) SW of Colchani (Potosí, Bolivia) (pop: 12,000) --> See nearby quakes!
275 km (171 mi) SE of Iquique (Tarapacá) (pop: 227,500) --> See nearby quakes!
290 km (180 mi) WSW of Santa Barbara (Potosí, Bolivia) (pop: 2,430) --> See nearby quakes!
321 km (199 mi) NW of San Antonio de los Cobres (Salta, Argentina) (pop: 4,000) --> See nearby quakes!
364 km (226 mi) NW of Santa Rosa de Tastil (Salta, Argentina) (pop: 2,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 12°C (54 F), humidity: 17%, wind: 9 m/s (17 kts) from ESE
Primary data source: GUG (U. Chile)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 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.
4.1108 km54 Km Al NE De Calama, ChileGUG (U. Chile)
4.4115 km43 Km NE of Calama, ChileUSGS
4.281 kmNorthern ChileGFZ
4.6133 kmChile-Bolivia Border RegionUSP

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Arica, Provincia de Arica, Arica y Parinacota (450.5 km NNW of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 2-5 s
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.