Detailed Seismic Intensity Distribution due to the 1923 Kanto Earthquake in Tokyo Metropolis (the Former 15 Wards) and Its Relation of Subsurface Structures
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概要
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Detailed seismic intensity distribution was re-evaluated from the data of damage wooden houses during the 1923 Kanto earthquake in Tokyo Metropolis. The seismic intensities of most blocks were less than 5+ in JMA scale on the Yamanote terrace. They were 6+ or 7 in the east side of Sumida River in the Shitamachi lowland, while they were less than 6- in the west side even in the Shitamachi lowland because there is a buried diluvial terrace under this region. The other areas where seismic intensity was 6+ or 7 were located along the line of Kanda-Zinbo-cho, Otemachi, and Hobiya. According to the old map before more than 500 years, this line was corresponding to the old creak of Kanda River and the Hibiya inlet, where a valley was buried under the ground and alluvial soil was accumulated very thick.
- 一般社団法人 日本地震工学会の論文
一般社団法人 日本地震工学会 | 論文
- Scope of this issue
- Study on the Priority of Measuring against Scenario Earthquakes Based on Seismic Risk Estimation
- Investigation on Actual Disaster Responses in Local Governments in terms of Information Sharing
- Empirical Correction of Ground Motion Prediction Equations of Response Spectra at Rock Sites for Near-Field Earthquakes Considering Amplification Effect within Deep Subsurface Structure
- A Study for Estimating Suspension Time of Railway Lines Due to Earthquake