＊A flowing river of mud or “slurry.”
＊Cracks starting to appear on cliffs.
＊Small rocks fall down separately.
＊A premonition of the cracks appearing on the ground.
＊Slowly developing, widening cracks appear on the ground or on paved areas such as streets or driveways.
-- Water in the pool or well becomes muddy
-- A flowing river appears on slope
＊Signs of debris flow
-- Rumbling in the valley
-- Non-stop rain
-- Water level decrease in rivers
-- River becomes muddy and carries tree branches