Help Ukraine

Very strong mag. 6.6 earthquake - 38 km southeast of Ostrov Ptenets Island, Sakhalin Oblast, Russia, on Wednesday, September 23, 1953 at 02:14 GMT

Very strong mag. 6.6 earthquake - 38 km southeast of Ostrov Ptenets Island, Sakhalin Oblast, Russia, on Wednesday, September 23, 1953 at 02:14 GMT Very strong mag. 6.6 earthquake - 38 km southeast of Ostrov Ptenets Island, Sakhalin Oblast, Russia, on Wednesday, September 23, 1953 at 02:14 GMT

Very strong magnitude 6.6 earthquake at 55 km depth

Date & time: Sep 23, 1953 02:14:39 UTC
Magnitude: 6.6
Depth: 55.2 km
Epicenter latitude / longitude: 50.08°N / 156.302°E (North Pacific Ocean, Russia)
Antipode: 50.08°S / 23.698°W
Nearest volcano: Vernadskii Ridge (57 km / 35 mi)
Nearby towns and cities:
67 km (42 mi) S of Severo-Kuril'sk (pop: 2,420) --> See nearby quakes!
158 km (98 mi) S of Ozernovskiy (pop: 2,620) --> See nearby quakes!
348 km (216 mi) SSW of Paratunka (pop: 1,770) --> See nearby quakes!
349 km (217 mi) SSW of Vilyuchinsk (Yelizovsky District) (pop: 25,200) --> See nearby quakes!
369 km (229 mi) SSW of Petropavlovsk-Kamchatskiy (pop: 187,300) --> See nearby quakes!
374 km (233 mi) SSW of Yelizovo (pop: 40,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1014 joules (139 gigawatt hours, equivalent to 1.2 x 105 tons of TNT or 7.5 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
6.655 kmKuril Islands (Russia)USGS
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 (4 quakes)

Date and timeMag
Depth		LocationDetails
Mar 9, 1954 05:39
68 years ago
6.3

28 km		351 km S of Petropavlovsk-Kamchatskiy, Kamchatka, RussiaMore
Oct 28, 1953 12:09
69 years ago
6.0

35 km		55 km S of Ostrov Dym Island, Sakhalin Oblast, RussiaMore
Oct 11, 1953 13:08
69 years ago
6.6

50 km		49 km S of Ostrov Ptenets Island, Sakhalin Oblast, RussiaMore
Sep 26, 1953 01:02
69 years ago
6.1

46 km		45 km SE of Ostrov Kambal’nyy Island, Kamchatka, RussiaMore

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.