On November 22, 2014, at 22:08 local time (UTC +9), an earthquake struck southeast of Hakuba, Nagano Prefecture.

From these crustal movements, the length of the source fault that caused the slip is estimated to be about 20 km.

In the surrounding areas of Hokujo Shiojima in Hakuba Village located near the west of the epicenter of the mainshock, a surface deformation of the eastern uplift with a vertical displacement of up to about 90 cm was confirmed.

[6] On November 23, an evacuation advisory was held for the town of Otari for 69 people from 31 households due to the mass damage and difficulties that were caused by the earthquake.

Of these, 76 people are scheduled to move into 33 households, targeting residents who have been certified as completely or partially destroyed and those who have been instructed to evacuate due to landslides.

[8] A day after the earthquake water outages also occurred in Ogawa and Iiyama but were immediately restored.

[8] Traffic disturbances occurred due to landslides in Hakuba, Hokujo, Nitta and Otari.