Moderate earthquakes jolted central and northeastern Japan on Monday, the Japan Meteorological Agency said. There were no immediate reports of injuries or damage.
An earthquake with a preliminary magnitude of 3.6 shook Nagano Prefecture at 4:10 p.m., measuring 4 on the Japanese seismic intensity scale of 7 in the town of Kiso. The quake originated at a shallow depth underground in the southern part of the central Japan prefecture.
The quake was followed by a magnitude-4.9 temblor that struck at 6:42 p.m. and had an epicenter in Fukushima Prefecture, where the town of Yanaizu registered a 4 on the intensity scale. The agency said the depth of the quake was similarly shallow.