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Damage Estimation of Yokohama City
Last Updated April 16, 2024
About earthquake damage assumption of Yokohama-shi
It is important to anticipate the impact of a major earthquake in advance when considering reduce disaster damage's actions. So what is the lesson of the Great East Japan Earthquake?
Based on new scientific knowledge and accumulated earthquake-related data, discussions were held with academics and public utilities operators to create new earthquake hazards.
We have decided on a regular basis. (If you would like to see the details, please refer to the Yokohama City Earthquake Damage Estimation Survey Report (October 2012))
Earthquakes to be assumed
In the earthquake damage estimation, we assumed four earthquakes.
●Genroku era Kanto Earthquake
About twice as much energy as the Taisho-type Kanto Earthquake that caused the Great Kanto Earthquake.
It is an assumed earthquake of magnitude 8.1 that emits ruggy. City
The maximum seismic intensity is assumed to be 7.
●Nankai Trough Giant Earthquake
The Cabinet Office has also taken up a large tsunami.
This is an assumed earthquake of Gunitude 9 class.
●Northern Tokyo Bay Earthquake
Mag which is said to have an extremely large impact in the Tokyo metropolitan area including the city.
This is an assumed earthquake of Nitude 7.3.
●Keicho era earthquake
Fiscal 2011 as a result of a major tsunami to Tokyo Bay.
This is an assumed earthquake set by Kanagawa Prefecture.
At high tide, the city of Yokohama will be flooded up to about 4.9 meters above sea level.
It is assumed that it will be.
| Estimation of earthquake damage in the city | ||||
|---|---|---|---|---|
| Due to strong shaking Total number of buildings 137,100 buildings | Due to fire Number of buildings burned down 77,700 buildings | Due to liquefaction Total number of buildings 7,880 buildings | Due to the collapse of steep slopes Total number of buildings 443 buildings | By tsunami Total number of buildings 27,000 buildings |
| Due to the collapse of buildings Number of deaths 1,700 people | Due to fire Number of deaths 1,550 people | Number of evacuees 577,000 | Number of people unable to return home 455,000 people | Number of deaths from tsunami 595 people |
Inquiries to this page
Disaster Prevention Planning Division, Crisis Management Department, General Affairs Bureau
Telephone: 045-671-4096
Telephone: 045-671-4096
Fax: 045-641-1677
Email address: so-bousaikikaku@city.yokohama.lg.jp
Page ID: 969-196-486
