Help Ukraine

Minor mag. 3.1 earthquake - 19 km north of Ciudad de San Juan, Departamento de Capital, San Juan, Argentina, on Sunday, Oct 24, 2021 at 9:07 pm (GMT -3) -

Minor mag. 3.1 earthquake - 19 km north of Ciudad de San Juan, Departamento de Capital, San Juan, Argentina, on Sunday, Oct 24, 2021 at 9:07 pm (GMT -3) Minor mag. 3.1 earthquake - 19 km north of Ciudad de San Juan, Departamento de Capital, San Juan, Argentina, on Sunday, Oct 24, 2021 at 9:07 pm (GMT -3)

Minor magnitude 3.1 earthquake at 106 km depth

25 Oct 00:14 UTC: First to report: INPRES after 7 minutes.
25 Oct 08:34: Magnitude recalculated from 3.0 to 3.1. Hypocenter depth recalculated from 94.0 to 106.0 km (from 58 to 66 mi). Epicenter location corrected by 1.8 km (1.1 mi) towards NNE.
Date & time: Oct 25, 2021 00:07:04 UTC -
Local time at epicenter: Sunday, Oct 24, 2021 at 9:07 pm (GMT -3)
Magnitude: 3.1
Depth: 106.0 km
Epicenter latitude / longitude: 31.375°S / 68.584°W (Departamento de Albardon, San Juan, Argentina)
Antipode: 31.375°N / 111.416°E
Nearby towns and cities:
9 km (6 mi) NW of Albardon (pop: 20,400) --> See nearby quakes!
10 km (6 mi) NW of San Martin (pop: 10,100) --> See nearby quakes!
13 km (8 mi) NNW of Chimbas (pop: 73,800) --> See nearby quakes!
14 km (9 mi) NNW of Villa Paula de Sarmiento (pop: 19,100) --> See nearby quakes!
19 km (12 mi) NNW of Ciudad de San Juan (pop: 447,000) --> See nearby quakes!
20 km (13 mi) NNW of Santa Lucia (pop: 43,600) --> See nearby quakes!
24 km (15 mi) NE of Villa Basilio Nievas (pop: 4,040) --> See nearby quakes!
34 km (21 mi) N of Pocito (pop: 41,000) --> See nearby quakes!
38 km (23 mi) NNW of Nueve de Julio (pop: 7,650) --> See nearby quakes!
42 km (26 mi) NW of Caucete (pop: 33,600) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 23.7°C (75 F), humidity: 18%, wind: 3 m/s (6 kts) from NNE
Primary data source: INPRES
Estimated released energy: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) | about seismic energy
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
3.1106 kmSAN JUAN (Argentina)INPRES
3.094 kmSAN JUAN, ARGENTINAEMSC

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.