2007 Chūetsu offshore earthquake

A magnitude 6.6 earthquake occurred 10:13 local time (01:13 UTC) on July 16, 2007, at a previously unknown offshore fault in the northwest Niigata Prefecture of Japan. The city of Kashiwazaki and the villages of Iizuna and Kariwa registered the highest seismic intensity of a strong 6 on Japan's shindo scale, and the quake was felt as far away as Tokyo.