Shallow M5.7 earthquake hits near Severo-Kuril’sk, Russia
A shallow earthquake of magnitude M5.7 was recorded at 07:06 UTC on October 28, 2025, about 95 km (59 miles) east-southeast of Severo-Kuril’sk, Russia. The earthquake occurred at a depth of 45.5 km (28.3 miles), according to data published by USGS.
The coordinates place the epicenter at 157.4°E, 50.4°N. This location is close to the Kuril Islands chain in Russia’s Far East, an area known for its tectonic activity and proximity to the Pacific coastline. Severo-Kuril’sk is the nearest significant settlement to the event.
Critical infrastructure in this region may include regional seaports and airfields that support the isolated local population. The area is also serviced by essential supply routes typical for remote island settlements.
There is no tsunami threat associated with this earthquake, based on its location and available data.
The significance index for this event is 500 (on a scale that runs through 1 000), reflecting magnitude and estimated potential impact.
The Kuril Islands region is seismically active due to the subduction of the Pacific Plate beneath the Okhotsk Plate along the Kuril-Kamchatka Trench. Earthquakes of this magnitude are not uncommon in this tectonic setting.
This information was last updated at 07:24 UTC on October 28, 2025.