Light mag. 4.3 earthquake - Sea of Okhotsk, 25 km southwest of Shikotan, Sakhalin Oblast, Russia, on 19 Apr 8:22 pm (GMT +10) -

Light mag. 4.3 earthquake - Sea of Okhotsk, 25 km southwest of Shikotan, Sakhalin Oblast, Russia, on 19 Apr 8:22 pm (GMT +10)

Light magnitude 4.3 earthquake at 78 km depth

19 Apr 10:36 UTC: First to report: EMSC after 14 minutes.
19 Apr 11:17: Magnitude recalculated from 4.2 to 4.3. Hypocenter depth recalculated from 50.0 to 78.0 km (from 31 to 48 mi). Epicenter location corrected by 13 km (8.1 mi) towards NW.
19 Apr 11:48: Hypocenter depth recalculated from 78.0 to 66.0 km (from 48 to 41 mi). Epicenter location corrected by 19 km (12 mi) towards N.
19 Apr 12:17: Hypocenter depth recalculated from 66.0 to 78.0 km (from 41 to 48 mi). Epicenter location corrected by 11 km (6.9 mi) towards S.
Update Mon, 19 Apr 2021, 10:42
Moderate tremor of magnitude 4.2 just reported 24 km southwest of Shikotan, Russia
4.2 quake 19 Apr 8:22 pm (GMT +10)
4.2 quake 19 Apr 8:22 pm (GMT +10)
An earthquake of magnitude 4.2 occurred in the evening on Monday 19 April 2021 at 8:22 pm local time near Shikotan, Sakhalin Oblast, Russia, as reported by the European-Mediterranean Seismological Centre (EMSC).
According to preliminary data, the quake was located at a moderately shallow depth of 50 km. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Shikotan (pop. 2,100) located 24 km from the epicenter, Yuzhno-Kurilsk (pop. 6,500) 76 km away, Otrada (pop. 3,200) 79 km away, and Nemuro (pop. 31,200) 88 km away.
Download the Volcanoes & Earthquakes app to get one of the fastest seismic alerts online:
Android | IOS

Earthquake data:

Date & time: 19 Apr 2021 10:22:32 UTC -
Local time at epicenter: 19 Apr 8:22 pm (GMT +10)
Magnitude: 4.3
Depth: 78.0 km
Epicenter latitude / longitude: 43.74°N / 146.44°E (Sea of Okhotsk, Russia)
Nearest volcano: Mendeleev (81 km / 50 mi)
Nearby towns and cities:
24 km (15 mi) WSW of Shikotan (pop: 2,100) --> See nearby quakes!
56 km (35 mi) SE of Yuzhno-Kurilsk (pop: 6,470) --> See nearby quakes!
84 km (52 mi) NE of Nemuro (Japan) (pop: 31,200) --> See nearby quakes!
106 km (66 mi) E of Shibetsu (Japan) (pop: 21,700) --> See nearby quakes!
177 km (110 mi) E of Abashiri (Japan) (pop: 42,500) --> See nearby quakes!
187 km (116 mi) ENE of Kushiro (Japan) (pop: 183,600) --> See nearby quakes!
205 km (127 mi) E of Kitami (Japan) (pop: 113,100) --> See nearby quakes!
277 km (172 mi) ENE of Obihiro (Japan) (pop: 173,900) --> See nearby quakes!
431 km (268 mi) SE of Korsakov (pop: 35,100) --> See nearby quakes!
460 km (286 mi) SE of Yuzhno-Sakhalinsk (pop: 176,500) --> See nearby quakes!
25 km (16 mi) WSW of Shikotan Island (pop: 2,100) --> See nearby quakes!
64 km (40 mi) SE of Kunajiri Island (pop: 7,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 3.7°C (39 F), humidity: 90%, wind: 8 m/s (15 kts) from SW
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 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!
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.
MagnitudeDepthLocationSource
4.378 kmKURIL ISLANDS, RussiaEMSC
4.373 km24 Km WSW of Shikotan, RussiaUSGS
4.571 kmKuril Islands, RussiaGFZ

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 yet. If you felt it be the first to report it!
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

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:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
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.