Microtremor Measurements in Ujitawara and Wazuka Basins, Kyoto, Japan
| العنوان: | Microtremor Measurements in Ujitawara and Wazuka Basins, Kyoto, Japan |
|---|---|
| المؤلفون: | ASANO, Kimiyuki, IWATA, Tomotaka, SEKIGUCHI, Haruko |
| المصدر: | 京都大学防災研究所年報. B. 65:1-13 |
| بيانات النشر: | 京都大学防災研究所, 2022. |
| سنة النشر: | 2022 |
| مصطلحات موضوعية: | microtremor array survey, 和束盆地, Wazuka Basin, Ujitawara Basin, 519.9, 微動H/Vスペクトル比, 微動アレイ探査, microtremor H/V spectral ratio, 宇治田原盆地 |
| الوصف: | Microtremor measurements were conducted in the Ujitawara and Wazuka basins, southern part of Kyoto Prefecture. The H/V spectra were obtained at 42 sites in Ujitawara and 37 sites in Wazuka. The peak frequency of H/V spectra was 0.9-1.4 Hz at sites in the western part of the Ujitawara Basin, whereas it was high (7-10 Hz) in the Iwayama area, the eastern part of the basin. The H/V peak frequency was high (2.5-16 Hz) in the valley bottom lowland along the Wazuka River. It was 1.0-2.3 Hz in hills of the Osaka Group, and it indicates that the thickness of sediments deepens towards the Wazukadani Fault. The estimated bedrock depth by the microtremor array survey was 165 m in the western part of the Ujitawara Basin. Small-sized microtremor array surveys were also conducted in the Ujitawara and Wazuka basins. The estimated phase velocities were relatively high, suggesting that the alluvium low-velocity sediments are thin in these two basins. |
| وصف الملف: | application/pdf |
| اللغة: | Japanese |
| تدمد: | 0386-412X |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=jairo_______::18399a60fdc431eecf4a29d9da8dba4c http://hdl.handle.net/2433/279411 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.jairo.........18399a60fdc431eecf4a29d9da8dba4c |
| قاعدة البيانات: | OpenAIRE |
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