Geotechnical Distinction of Landslides Induced by Near-Field Earthquakes in Niigata, Japan
Table 2
Old landslides in Yamakoshi area.
Number
Year
Disaster
Place
Conditions
1
1824 April: thawing season
Landslide length 1.4 km, width 700 m
Nakano
Disaster throughout the village. 50% of rice fields could not be cultivated. Flood induced by river clogging. Two ponds of 100 m length and 10 m depth were created.
2
1926 May
Landslide length 1.1 km, width 180 m
Nakano
Fields and mountains of more than 2 km2 were damaged. Floods induced by river clogging.
3
1929 April
Landslide width 50 m
Terano
Prefectural route (Tochio-Ojiya) was severed; bridge collapsed. River clogging is unclear.
4
1932
Landslide
Between Nakano and Terano
A large landslide occurred during construction of landslide measures. Details are unclear.
