Update: 5.5 magnitude earthquake shakes close to Petropavlovsk-Kamchatsky, Russia on Sept. 18

Published Oct 18, 2025

Thursday morning, a 5.5 magnitude quake was detected near Petropavlovsk-Kamchatsky, according to the U.S. Geological Survey.

The tremor, which struck the area at 20:17 UTC (07:17 local time), was centered about 144 km east of Petropavlovsk-Kamchatsky. It occurred at a depth of 36 km. Seismologists first reported it as a 5.4 event, but later upgraded it to 5.5.

Did you feel it?

If you exparienced the earthquake, you can report it via the USGS Felt Report form.

Impact and estimated losses

Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.

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.

Quakes past week

Seven tremors with a magnitude 5.5 or higher have been recorded in the region over the last week. The biggest, a 7.8 magnitude earthquake, hit the same region prior to this quake.

Source: The U.S. Geological Survey