동쪽 E-1~E-4는 대부분 사면형 토석류로 발생하여 계곡에 유입 또는 퇴적되는 특성을 보였다.
E-1 to E-4 in the east were mostly formed as an avalanche of earth and rocks with the slope type and showed the characteristic that they were introduced or deposited into the valley.