Shallow M5.5 earthquake hits east of Ozernovskiy, Russia
A shallow M5.5 earthquake struck at 19:38 UTC on November 3, 2025, about 138 km (86 miles) east of Ozernovskiy, Russia. The earthquake’s hypocenter was at a depth of 56.1 km (34.9 miles), and coordinates were specified as 158.5°E, 51.7°N.
The epicenter places the event in Russia’s remote Far East, within the Kamchatka Peninsula region. This area is characterized by sparse settlements and low population density, with Ozernovskiy as one of the closest localities.
Critical infrastructure near the epicenter would likely include limited regional roadways, small airfields, and possibly facilities related to fishing or energy, as the Kamchatka Peninsula is remote with rugged terrain.
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 on the Modified Mercalli Intensity scale. The significance index is 465 (on a scale that runs through 1 000), based on magnitude, felt reports, and estimated impact.
The Kamchatka Peninsula is part of the Pacific Ring of Fire and is known for high seismic activity related to the subduction of the Pacific Plate beneath the North American Plate.
This information was last updated at 20:05 UTC on November 3, 2025.