Oga Earthquake of 1939 was a large inland earthquake with magnitude 6.8 and claimed 27 lives and 479 house collapses in Akita Prefecture.
Concentration of damage was found in Oga peninsula and several villages were completely destroyed. Although detailed damages in Oga area were reported in many reconnaissance reports, the whole damage distribution is not so clear with less information on surrounding area. In this study, literature survey is done referring local newspaper articles at that time.
In the result, more detailed damage distribution of houses, human, railroad, road and slope failure in the whole Akita prefecture are clarified.