15.5 How do we know ... how to map mass-movement hazards?

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GIS data makes susceptibility maps showing slope, rock type and mass movement.

Fig 15.28

Maps show areas which can be most susceptible to mass movement.

GIS data for a region used to make a hazard susceptibility map for San Mateo County, CA (Fig. 15.28) and the resulting combination of the three (Fig. 15.29).

Fig 15.29

Scientists recognize the need to make these correlations, but also seek to understand why they exist.

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