Moderate mag. 4.7 earthquake - Saitama, 37 km north of Tokyo, Tokyo, Japan, on Saturday, Feb 7, 2026, at 12:58 am (GMT +9)

A magnitude 4.7 earthquake struck Shiraoka-shi, Saitama Prefecture, Japan, on Saturday, February 7, 2026, at 12:58 am local time. The epicenter was located approximately 37 km north of Tokyo. The earthquake occurred at a moderate depth of 95 km (59 miles). According to reports from the United States Geological Survey (USGS) and the Japan Meteorological Agency (JMA), the shaking was felt widely across the Kanto region, including Tokyo, Yokohama, and Kanagawa. Shaking intensity reached level III (Weak) near the epicenter and in Tokyo. There were no immediate reports of significant damage or injuries, and no tsunami warnings were issued. Data from multiple agencies including NIED, EMSC, and GFZ confirmed the event parameters with slight variations in magnitude (4.1 to 4.8) and depth (81 to 95 km). The area is known for high seismic activity, with this being a notable felt event in the Greater Tokyo area.