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Disaster prevention maps and hazard maps

Last Updated January 26, 2023

Know what risks are in your area of life!

Click here to download various maps.
Preparedness for Earthquakes Prepare for typhoons and heavy rains

Disaster prevention, inhabitant of a ward map, Yokohama-shi earthquake map, page of Yokohama-shi liquefaction map


Inundation Hazard Map (Totsuka Ward Version) Page
Conventional flood hazard maps and inland water hazard maps are compiled into one booklet.
・Page of earth and sand disaster hazard map (northern part) (PDF: 3,955KB)
(Hiratocho, Hirato, Shinano-cho, Kamishinano, Kawakami-cho, Nasecho, Maetamachi, Akibacho, Kamikashio-cho, Kashio-cho, Yoshida-cho, Kamiyabe-cho, Yabe-cho, Torigaoka, Maiokacho, Minamimaioka, Kamikuratacho, Shimokuratacho)
・Page of earth and sand disaster hazard map (southern part) (PDF: 3,774KB)
(Totsukamachi, Kamikuratacho, Shimokuratacho, Minamimaioka, Gumizawa, Kumizawa-machi, Harajuku, Fukaya-cho, Kosuzumecho, Matanocho, Higashimatanocho, Kagetori-cho)
・Page of earth and sand disaster hazard map (information side) (PDF: 2,826KB)


You can understand the map from various types
Type of map What you know
Disaster prevention, inhabitant of a ward map, Yokohama-shi earthquake map, Yokohama-shi liquefaction map Estimated seismic intensity, risk of liquefaction, evacuation sites when it becomes impossible to live at home.

Inundation Hazard Map

(Flood)
Areas where rivers are flooded and flooded, depth of flooding, etc.

(Inland water)
Areas that are flooded when rainwater overflows from manholes due to heavy rain exceeding the capacity of sewerage, depth of flooding, etc.

Earth and Sand Disaster Hazard Map (Northern and Southern) Areas that may be damaged in the event of a landslide
Earth and sand disaster hazard map (information side) evacuation sites, etc., which will be opened when Totsuka Ward issued evacuation warning, etc.

If you would like to know the details of each map, please contact the ward office General Affairs Division 045-866-8307.

For detailed places that cannot be confirmed on the hazard map, use the Wai Wai Disaster Prevention Map!

Image data of the flood hazard map seen in the disaster prevention map
Since the map can be enlarged, it is easy to check the details!

What can be done with the Wai Wai Disaster Prevention Map

・You can check detailed places that cannot be confirmed on the hazard map!
・You can search from Address, so you can easily check around your relatives' homes!

Click here for access and usage of the Wai Wai disaster prevention map.

Page of Wai Wai disaster prevention map (outside site) (Yokohama-shi administrative map reporting system)

Page of how to use the Wai Wai disaster prevention map (PDF: 1,884KB)

Let's make preparations in case of emergency using public information Yokohama September issue Totsuka Ward version "disaster prevention preservation version"!

If you use the disaster prevention preservation version, you can solve such questions!

・What should I do specifically to prepare for a disaster?
・What should I use to collect information in the event of a disaster?
・When should I take evacuation actions in the event of a disaster?
・What kind of life can you live in evacuation sites?

Click here for the Disaster Prevention Preservation Version

Public information Yokohama September issue Totsuka Ward version page

You may need a separate PDF reader to open a PDF file.
If you do not have it, you can download it free of charge from Adobe.
Get Adobe Acrobat Reader DCTo download Adobe Acrobat Reader DC

Inquiries to this page

Totsuka Ward General Affairs Department General Affairs Division

Telephone: 045-866-8307

Telephone: 045-866-8307

Fax: 045-881-0241

Email address: to-bousai@city.yokohama.jp

Return to the previous page

Page ID: 237-913-585

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