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Damage estimation in Yokohama City
Last update date April 16, 2024
About earthquake damage assumption of Yokohama-shi
It is important to anticipate the impact of a major earthquake in reduce disaster damage's actions. What is the lessons learned from the Great East Japan Earthquake?
Based on new scientific knowledge and accumulated earthquake-related data, we have repeated discussions with academic experts and public utilities operators.
We have formulated a rule. (For those who would like to see in detail, Yokohama City Earthquake Damage Estimation Survey Report (October 2012))
Earthquakes assumed
In the earthquake damage assumption, four earthquakes were assumed.
●Genroku era Kanto Earthquake
Approximately twice as much energy as the Taisho Kanto Earthquake that caused the Great Kanto Earthquake.
This is an assumed magnitude 8.1 earthquake that emits ruby. In the city
The maximum seismic intensity is assumed to be 7.
●Nankai Trough Giant Earthquake
Ma that the Cabinet Office has taken up as a result of the great tsunami.
This is an estimated earthquake of Gunitudes 9 class.
●Northern Tokyo Bay Earthquake
Mags that have an extremely large impact on the Tokyo metropolitan area, including the city.
This is an assumed earthquake of nitudes 7.3.
●Keicho era type earthquake
FY2011 as a result of a major tsunami to Tokyo Bay.
This is an assumed earthquake set by Kanagawa Prefecture.
At high tide, even in Yokohama, it is flooded up to about 4.9 meters above sea level
It is assumed to be.
| Earthquake damage assumptions in the city | ||||
|---|---|---|---|---|
| Due to strong shaking Number of buildings completely or partially destroyed 137,100 buildings | Due to fire Number of buildings burned down 77,700 buildings | Due to liquefaction Number of buildings completely or partially destroyed 7,880 buildings | Due to collapse of steep slopes Number of buildings completely or partially destroyed 443 buildings | According to tsunami Number of buildings completely or partially destroyed 27,000 buildings |
| Due to building collapse Number of deaths 1,700 people | Due to fire Number of deaths 1,550 people | Number of Evacuees 577,000 people | Number of people unable to return home 455,000 people | Number of deaths from tsunami 595 people |
For inquiries to this page
General Affairs Bureau Crisis Management Planning Division
Phone: 045-671-4096
Phone: 045-671-4096
Fax: 045-641-1677
Email address: so-bousaikikaku@city.yokohama.jp
Page ID: 969-196-486
