Shallow M5.8 earthquake hits near Nemuro, Japan
A shallow M5.8 earthquake was recorded at 16:40 UTC on October 24, 2025, approximately 35 km (22 miles) south of Nemuro, Japan. The earthquake struck at a depth of 41.4 km (25.7 miles).
The epicenter was located at 43.0°N, 145.6°E in the coastal region of eastern Hokkaido, close to the Pacific shore. Nemuro is a small city in Hokkaido Prefecture, an area known for its proximity to the Kuril-Kamchatka Trench and significant seismic activity.
Given its coastal setting and regional infrastructure, the area is served by transportation networks including highways, local ports, and nearby regional airstrips facilitating links to the rest of Hokkaido.
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 reached V, and the significance index is 518 (on a scale that runs through 1 000), based on magnitude, felt reports, and estimated impact.
Eastern Hokkaido sits near the boundary of the Pacific and North American plates. This region frequently experiences seismic events due to the subduction of the Pacific Plate beneath the North American Plate along the Kuril Trench.
This information was last updated at 17:06 UTC on October 24, 2025.