抄録
We found some paleograph in the Edo Era. And they consequently inform us of the sediment-related disaster.
Then, we investigated the actual conditions of the sedimentrelated disaster, by analysis of the paleograph.
They inform us of scale of the sediment-related disaster, and they indicate how to cope with the sediment-related disaster.
In 1707, the Mt. Fuji erupted. and did a great deal of damage to all villages on the east foot, that covered about 40, 000ha by thick ash.
If the paleographies are correct, we are able to plan to keep from danger of the sediment-related disaster, now.
We report results of the survey, in case of more than 150 cm at depth, the paleographies are expect to the plan for keep from danger of the sediment-related disaster.
