Shallow M6.0 earthquake hits southeast of Petropavlovsk-Kamchatsky, Russia
A shallow M6.0 earthquake struck 146 km (91 miles) southeast of Petropavlovsk-Kamchatsky, Russia at 03:45 UTC on November 4, 2025. The event was registered at coordinates 52.3°N, 160.4°E, at a depth of 35.0 km (21.7 miles).
The earthquake was located offshore, to the southeast of Petropavlovsk-Kamchatsky on the Kamchatka Peninsula. This sector is part of Russia’s far eastern region, bordering the North Pacific, where the Kamchatka arc marks a highly active seismic zone.
Critical infrastructure in the region may include maritime ports, regional airports, and related transport networks serving the coastal settlements and the city of Petropavlovsk-Kamchatsky.
There is no tsunami threat associated with this earthquake, based on its location and available data.
USGS issued a green alert for this event, indicating a low likelihood of casualties or damage. The maximum estimated intensity was IV. The significance index is 554 (on a scale that runs through 1 000), based on magnitude, felt reports, and estimated impact.
The Kamchatka Peninsula sits along the boundary of the Pacific and Okhotsk tectonic plates, forming part of the seismically active Pacific Ring of Fire. This region frequently experiences moderate to strong seismic activity due to subduction and related tectonic processes.
This information was last updated at 04:11 UTC on November 4, 2025.