Around 11 o'clock on February 2, an earthquake occurred, breaking down the roof of the shack in Hirasawa, and four survivors; Sergeant Major Hasegawa, Private First Hisamatsu ABE, Private Masanori SASAKI and Private Sahei ONODERA who were staying in the shack were found.
2月2日11時頃地震が発生し、その際平沢の炭小屋で屋根が崩れその中にいた長谷川特務曹長、阿部寿松一等卒、佐々木正教二等卒、小野寺佐平二等卒の4人の生存者が発見される。