A moderate earthquake with a magnitude of 5.5 has hit the Tokyo area. No damage was immediately reported and there was no danger of a tsunami.
The quake hit at 9:01 p.m. (1201 GMT) about 70 kilometers (43 miles) north of Tokyo. It was in southern Ibaraki prefecture and about 60 kilometers (37 miles) underground.
A magnitude 9.0 earthquake and tsunami on March 11 devastated Japan's northeast coast. Nearly 23,000 people are dead or missing in the disaster that also crippled a nuclear power plant.