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Disaster prevention map and hazard map

Last Updated January 26, 2023

Know what risks are in your living area!

Click here to download various maps.
Preparation for Earthquakes Preparation for typhoon and heavy rain

Disaster prevention and inhabitant of a ward map, Yokohama earthquake map, Yokohama liquefaction map


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


What a map can be understood from various things
Map type What you know
Disaster prevention and inhabitant of a ward map, Yokohama earthquake map, Yokohama liquefaction map Assumed seismic intensity, risk of liquefaction, evacuation sites when it becomes impossible to live at home, etc.

Inundation hazard map

(Flood)
Areas that are flooded by the flooding of rivers and the depth of flooding

(Inland water)
Areas that are flooded when rainwater overflows from manholes due to heavy rain exceeding the capacity of the sewer and the depth of flooding

Earth and sand disaster hazard map (Northern and Southern) Areas that may be damaged when a landslide occurs
Earth and sand disaster hazard map (information surface) evacuation sites, etc. that will be opened when Totsuka Ward issues such as evacuation warning

When you want to know detailed contents of each map, please refer to ward office General Affairs Division 045-866-8307.

For detailed places that cannot be confirmed on the hazard map, use the disaster prevention map!

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

What I can do with a disaster prevention map

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

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

Page of Wai Wai Disaster Prevention Map (outside site) (Yokohama City Administration Map Information Providing System)

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

Utilize the public information Yokohama September issue Totsuka Ward version "Disaster Prevention Preservation Version" and prepare for emergencies!

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

・What should we do to prepare for a disaster?
・What should I use to collect information in the event of a disaster?
・What timing 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

Page of public information Yokohama September issue Totsuka Ward version

In order to open PDF files, you may need a separate PDF reader.
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

For inquiries to this page

Totsuka Ward General Affairs Department General Affairs Division

Phone: 045-866-8307

Phone: 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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