Update: Sept. 4 – 5.5 magnitude earthquake reported close to Kuril’sk, Russia

Published Sep 6, 2026

A 5.5 magnitude quake struck near Kuril’sk on Friday morning, according to the U.S. Geological Survey.

The tremor shook the area at 23:52 UTC (09:52 local time). It occurred at a depth of 32 km with the epicenter roughly 168 km east-southeast of Kuril’sk.

Did you feel it?

If you noticed the earthquake, you can share your experience using the USGS Felt Report form.

Impact and estimated losses

The USGS categorized this as a Green Alert, which means there is a low likelihood of casualties and damage. Recent earthquakes in this area have caused secondary hazards such as landslides that might have contributed to losses.

Structure information summary

Overall, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are adobe block and unreinforced brick with mud construction.

Past week’s quake

There was one more tremor of magnitude 4.6 centered near Kuril’sk on Aug. 29.

Source: The U.S. Geological Survey