Help Ukraine

Major magnitude 8.5 earthquake - Provincia de Copiapo, 94 km east of Vallenar, Huasco, Atacama, Chile, on Saturday, November 11, 1922 at 04:32 GMT

Major magnitude 8.5 earthquake - Provincia de Copiapo, 94 km east of Vallenar, Huasco, Atacama, Chile, on Saturday, November 11, 1922 at 04:32 GMT

Major magnitude 8.5 earthquake at 70 km depth

Date & time: Nov 11, 1922 04:32:51 UTC
Magnitude: 8.5
Depth: 70.0 km
Epicenter latitude / longitude: 28.293°S / 69.852°W (Provincia de Copiapo, Atacama, Chile)
Antipode: 28.293°N / 110.148°E
Nearest volcano: Incapillo (112 km / 70 mi)
Nearby towns and cities:
94 km (59 mi) ENE of Vallenar (pop: 44,900) --> See nearby quakes!
113 km (70 mi) SSE of Copiapo (pop: 129,300) --> See nearby quakes!
215 km (134 mi) S of Diego de Almagro (pop: 18,100) --> See nearby quakes!
225 km (140 mi) NE of La Serena (Coquimbo) (pop: 154,500) --> See nearby quakes!
234 km (146 mi) NE of Coquimbo (pop: 161,300) --> See nearby quakes!
249 km (155 mi) WNW of Chilecito (La Rioja, Argentina) (pop: 42,200) --> See nearby quakes!
288 km (179 mi) NNE of Ovalle (Coquimbo) (pop: 77,100) --> See nearby quakes!
318 km (197 mi) WNW of Rioja (La Rioja, Argentina) (pop: 162,600) --> See nearby quakes!
579 km (360 mi) N of Santiago de Chile (Metropolitana) (pop: 4,837,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1017 joules (98559 gigawatt hours, equivalent to 8.5 x 107 tons of TNT or 5300.2 atomic bombs!) | 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
8.570 kmAtacama, ChileUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

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

Aftershocks

[More info]

Recorded aftershocks, latest first (5 quakes)

Date and timeMag
Depth
LocationDetails
May 15, 1925 11:57
97 years ago
6.4

30 km
18 km S of Taltal, Provincia de Antofagasta, ChileMore
Jan 29, 1924 01:54
98 years ago
6.7

45 km
39 km N of Vallenar, Huasco, Atacama, ChileMore
May 4, 1923 22:26
99 years ago
6.5

35 km
68 km SW of Vallenar, Huasco, Atacama, ChileMore
Nov 17, 1922 11:02
100 years ago
6.7

15 km
118 km W of Coquimbo, Provincia de Elqui, Coquimbo Region, ChileMore
Nov 11, 1922 18:09
100 years ago
6.6

35 km
27 km NE of Vallenar, Huasco, Atacama, ChileMore

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.