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Disaster prevention maps (hazard maps, etc.)

Last Updated April 7, 2023

The information of the map posted on this page can also be confirmed on the Wai Wai Disaster Prevention Map (outside site). (You can check the information of the entire Yokohama city.)

Disaster prevention map

You can check disaster prevention information such as evacuation shelters (evacuation shelter), evacuation area, and water stations in the event of an earthquake.
〇 Izumi Ward Life and Disaster Prevention Map (PDF: 9,107KB)

Flood Hazard Map (Flood / Inland Water)

The inundation hazard map is a compilation of two hazard maps, flood and inland water, in one book.
In this map, in addition to explanations to correctly understand the meaning of evacuation information, details such as "reference materials for evacuation judgment", "stockpiling from normal times", "Notes when evacuating", etc. I am. Use the inundation hazard map to prepare for disasters so that you can take appropriate actions in case of emergency.

〇 Inundation hazard map (map surface) (PDF: 8,720KB)
〇 Inundation hazard map (information side) (PDF: 5,094KB)

   Flood Hazard Map: A map showing the inundation area due to flooding of rivers and its inundation depth.
   Inland water hazard map: A map showing the inundation area and water depth when water overflows from sewers and waterways.

※Please confirm map of other wards in page of Crisis Management Office Regional Disaster Prevention Section.

Earth and sand disaster hazard map

You can check areas where damage may occur in the event of a landslide.
※There is no assumption that debris flow will occur in Izumi Ward.

〇 Earth and sand disaster hazard map (map surface) (PDF: 3,580KB)
〇 Earth and sand disaster hazard map (summary side) (PDF: 2,806KB)

※Please confirm map of other wards on page of Housing and Architecture Bureau Building Disaster Prevention Section.

The risk of earth and sand disasters can be confirmed from the "Kanagawa Earth and Sand Disaster Portal".
〇 Kanagawa earth and sand disaster portal (outside site)

Other maps related to disaster prevention

seismic intensity map

Based on the results of the underground structure survey, this map shows the predictions of seismic intensity in Izumi Ward due to an assumed earthquake that could affect the city.

Oh seismic intensity map
   Genroku era Kanto earthquake (earthquake with the greatest human and physical damage) (PDF: 3,591KB)
   Northern Tokyo Bay Earthquake (so-called earthquake directly below the capital) (PDF: 3,585KB)
   Nankai Trough Giant Earthquake (PDF: 3,586KB)

 ※Please confirm map of whole city version from page of "earthquake map".

Liquefaction map

In the "Yokohama City Earthquake Damage Estimation Survey" announced in October 2012, the liquefaction risk distribution of the three earthquakes targeted for damage estimation is shown.

Oh Liquefaction map
   Genroku era Kanto earthquake (earthquake with the greatest human and physical damage) (PDF: 3,478KB)
   Northern Tokyo Bay Earthquake (so-called earthquake directly below the capital) (PDF: 3,473KB)
   Nankai Trough Giant Earthquake (PDF: 3,466KB)

 ※Please confirm map of whole city version from page of "liquefaction map".

Water station map at the time of disaster

In Yokohama City, distribution reservoirs, underground water tanks for disasters (used immediately after the disaster) and emergency hydrants (used from the fourth day after the disaster) are installed as water stations for emergency water supply to evacuation shelter and other areas.
In the event of a disaster, we will respond together with stockpiling at each household.

For details, please visit the water station (Water Works Bureau page).

You may need a separate PDF reader to open a PDF file.
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Inquiries to this page

Izumi Ward Office General Affairs Division Disaster Prevention Officer

Telephone: 045-800-2309

Telephone: 045-800-2309

Fax: 045-800-2505

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

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Page ID: 914-816-604

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