World

Strong quake strikes Nagano city in central Japan; no immediate reports of injuries or damage

  • A house is collapsed after a strong earthquake hit in Hakuba, Nagano Prefecture, central Japan, Saturday, Nov. 22, 2014. The magnitude-6.8 earthquake struck the mountainous area of central Japan Saturday night, causing at least one building to collapse and injuring several people, according to Japanese media reports. No tsunami warning was issued. (AP Photo/Kyodo News) JAPAN OUT, CREDIT MANDATORY

    A house is collapsed after a strong earthquake hit in Hakuba, Nagano Prefecture, central Japan, Saturday, Nov. 22, 2014. The magnitude-6.8 earthquake struck the mountainous area of central Japan Saturday night, causing at least one building to collapse and injuring several people, according to Japanese media reports. No tsunami warning was issued. (AP Photo/Kyodo News) JAPAN OUT, CREDIT MANDATORY  (The Associated Press)

  • A taxi stops by a crack on the road that leads to Hakuba from Nagano, Nagano Prefecture, after a strong earthquake hit central Japan, Saturday, Nov. 22, 2014. The magnitude-6.8 earthquake struck in the mountainous area of central Japan Saturday night. No tsunami warning was issued. (AP Photo/Kyodo News) JAPAN OUT, CREDIT MANDATORY

    A taxi stops by a crack on the road that leads to Hakuba from Nagano, Nagano Prefecture, after a strong earthquake hit central Japan, Saturday, Nov. 22, 2014. The magnitude-6.8 earthquake struck in the mountainous area of central Japan Saturday night. No tsunami warning was issued. (AP Photo/Kyodo News) JAPAN OUT, CREDIT MANDATORY  (The Associated Press)

  • A traffic board indicates an expressway between Sakamachi and Shinanomachi in Nagano Prefecture, central Japan, is closed due to an earthquake on the Joshin-etsu Expressway at Hanazono Interchange in Fukaya, Saitama Prefecture, northwest of Tokyo, Saturday, Nov. 22, 2014. The magnitude-6.8 earthquake struck a mountainous area of central Japan on Saturday night, causing at least one building to collapse and injuring several people, according to Japanese media reports. No tsunami warning was issued. (AP Photo/Kyodo News, Yohei Nishimura) JAPAN OUT, CREDIT MANDATORY

    A traffic board indicates an expressway between Sakamachi and Shinanomachi in Nagano Prefecture, central Japan, is closed due to an earthquake on the Joshin-etsu Expressway at Hanazono Interchange in Fukaya, Saitama Prefecture, northwest of Tokyo, Saturday, Nov. 22, 2014. The magnitude-6.8 earthquake struck a mountainous area of central Japan on Saturday night, causing at least one building to collapse and injuring several people, according to Japanese media reports. No tsunami warning was issued. (AP Photo/Kyodo News, Yohei Nishimura) JAPAN OUT, CREDIT MANDATORY  (The Associated Press)

A strong earthquake has hit central Japan, but there were no immediate reports of injuries or damage.

The Japan Meteorological Agency says the magnitude-6.8 earthquake hit parts of Nagano city and surrounding areas the hardest. The U.S. Geological Survey says the quake's magnitude was 6.2.

The earthquake struck at 10:08 p.m. Japan time on Saturday at a depth of 10 kilometers (6 miles).

Japanese media reported that the Shinkansen bullet train service in the area was suspended after the earthquake.