Disaster prevention map (hazard map, etc.)

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.)

You can check the disaster prevention information of refuge (evacuation shelter), evacuation area and water stations at the time of the earthquake.
〇　Izumi Ward Life and Disaster Prevention Map (PDF: 9,107KB)

Inundated hazard map is a compilation of two hazard maps, flood and inland water.
In addition to explanations for the proper understanding of the meaning of evacuation information, this map contains detailed information such as reference materials for evacuation judgment, stockpiling from normal times, and precautions for evacuation. Use the flooded hazard map to advance the be prepared for disaster so that you can take appropriate action in case of emergency.

〇　Inundated hazard map (map surface) (PDF: 8,720KB)
〇　Inundated hazard map (Information) (PDF: 5,094KB)

　　　Flood hazard map: A map showing the inundation area due to river flooding 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.

You can check areas where there is a risk of damage in the event of a landslide.
※There is no assumption that mud slide will occur in Izumi Ward.

〇　landslide hazard map (map surface) (PDF: 3,580KB)
〇　landslide hazard map (Overview) (PDF: 2,806KB)

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

You can check the risk of landslide from the Kanagawa landslide Portal.
〇　Kanagawa Prefecture landslide Portal (outside site)

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.

〇　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".

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.

〇　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".

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).