Get our newsletter!
Check out our volcano tours on!
Volcanoes & Earthquakes - new app for Android
Guaranteed tours
8-16 May 2021: From Stromboli to Etna - Sicila and Eolian Islands (Italy)
: spaces available / : guaranteed / : few spaces left / : booked out
Interactive map of latest earthquakes and active volcanoes in the world

Light mag. 4.6 earthquake - 15 Km Al S De Sierra Gorda., Chile, on 12 Oct 9:30 pm (GMT -3)

Light mag. 4.6 earthquake  - 15 Km Al S De Sierra Gorda., Chile, on 12 Oct 9:30 pm (GMT -3)
13 Oct 00:35 UTC: First to report: GFZ after 5 minutes.
13 Oct 00:36: Magnitude recalculated from 4.8 to 4.9. Hypocenter depth recalculated from 73.0 to 82.0 km (from 45 to 51 mi). Epicenter location corrected by 1.1 km (0.7 mi) towards N.
13 Oct 00:46: Now using data updates from GUG (U. Chile)
Date & time: 2020-10-13 12:30:01 UTC
Local time at epicenter: 12 Oct 9:30 pm (GMT -3)
Magnitude: 4.6
Depth: 96.4 km
Epicenter latitude / longitude: 23.038°S / 69.322°W (Chile)
Nearest volcano: Licancabur (133 km / 83 mi)
Nearby towns and cities:
76 km (48 mi) SW of Calama (pop: 143,100)
116 km (72 mi) W of San Pedro de Atacama (pop: 2,000)
129 km (80 mi) NE of Antofagasta (pop: 309,800)
138 km (86 mi) SE of Tocopilla (pop: 24,500)
1166 km (725 mi) N of Santiago (pop: 4,837,300)
Weather at epicenter at time of quake:
Clear Sky 18°C (64 F), humidity: 11%, wind: 6 m/s (12 kts) from WSW
Primary data source: GUG (U. Chile)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) [learn more]
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.
TimeMag. / DepthLocationSource
2020-10-13 00:30:01 UTC
12 Oct 9:30 pm (GMT -3)
M 4.6 / 96.4 km15 Km Al S De Sierra Gorda., ChileGUG (U. Chile)
2020-10-13 00:30:00 UTCM 4.6 / 84 km4.9 Antofagasta, ChileEMSC
2020-10-13 00:30:02 UTC
12 Oct 9:30 pm (GMT -3)
M 4.9 / 82 km64 Km SSW of Calama, ChileGFZ
2020-10-13 00:30:01 UTCM 4.6 / 96.6 km82 Km SSW of Calama, ChileUSGS
2020-10-13 00:29:45 UTCM 4.9 / 27.6 kmNear Coast of Northern ChileUSP

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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!
Antofagasta (Chile, 145 km SW of epicenter) : Muy poco sonido muy poco movimiento un solo va y vien (reported through EMSC)

Earlier earthquakes in the same area since 1900

Light mag. 4.6 earthquake - 15 Km Al S De Sierra Gorda., Chile, on 12 Oct 9:30 pm (GMT -3)

Map of earlier quakes

More on VolcanoDiscovery

Why is there advertising on this site?

Support us!

Maintaining the website and our free apps is a time- and cost-intensive effort.
If you find the information useful and would like to support our team to develop further features and get the upgraded ad-free version, consider making a donation (PayPal or Online cc payment).
Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
Thanks to your past donations, these features have been added recently:
  • Earthquake archive back to 1900
  • Additional 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.