Shallow M5.8 earthquake hits near Vilyuchinsk, Russia

An earthquake of magnitude M5.8 was recorded at 11:21 UTC on August 21, 2025, about 159 km (99 miles) southeast of Vilyuchinsk, Russia, at a depth of 27.9 km (17.3 miles).

Based on its coordinates (160.0°E, 51.9°N), the earthquake occurred in the northwestern Pacific region near Russia’s Kamchatka Peninsula. The area is known for its sparse population and remote terrain, with Vilyuchinsk being one of the closest settlements.

Given the regional geography, critical infrastructure in the area may include local transport routes serving small settlements, as well as military or shipping facilities associated with Vilyuchinsk, which is a known port city in Kamchatka.

There is no tsunami threat associated with this earthquake, based on its location and available data.

The maximum estimated intensity for this event reached 3.72. The significance index is 518 (on a scale that runs through 1 000), based on magnitude, felt reports, and estimated impact.

Kamchatka sits along the seismically active Pacific Ring of Fire, where the Pacific Plate subducts beneath the Eurasian Plate, regularly generating significant seismic activity in the region.

This information was last updated at 11:51 UTC on August 21, 2025.