A strong earthquake with a preliminary magnitude of 6.5 shook Shizuoka Prefecture and its vicinity, including the Tokyo metropolitan area, at 5:07 a.m. Tuesday, injuring 112 people and causing two nuclear reactors to automatically shut down.

The Meteorological Agency said that while the temblor will not lead to the massive quake feared in the Tokai region — the so-called Tokai quake — it will further study the data on this quake.

There were no reports of deaths or missing people, the National Police Agency said.