Provision of ground information

We release ground findings (column diagram) that Yokohama-shi performed including road or water and sewage in Yokohama-shi ground map information "ground view" (outside site). After agreeing to the terms of use, specify the area, and select ground information (boring material) from the display map menu.

For information on how to view boring data (column diagram), see the soil column chart.

Here are some frequently asked questions about the ground view. For more information about Q&A, please refer to the FAQ.