Hi Stefano,

Could it be your data is "unprojected"? (your map units are in degrees?)

Raymond


On 27-04-2020 10:47, stefano borello wrote:
Dear QGIS Support,

I am Stefano Borello from Italy and I have a problem regarding the creation of a Slope map.

I downloaded the DEM from Earthexplorer, in the specific a SRTM 30 m resolution.

When I applied the Raster analysis the final result is a bit strange and the final results are wrong.

I can deliver the DEM file if you want.

Please let me know

Kind Regards

Stefano Borello
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