Report of the seismic reflection survey for the submarine active fault off Niigata!Murakami, Japan
Some active faults, active anticlines, and active synclines were discovered by the seismic reflection survey conducted off Niigata!Murakami including the epicenter of the 1964 Niigata Earthquake. Most active faults are distributed on the Awashima Uplift Zone and cut the erosion surface formed about 18, 000 years ago. The average slip rate of the fault near the earthquake fault of the 1964 Niigata Earthquake is over 0.56m/ka. Several normal faults detected under the Awashima Uplift Zone are supposed to be formed by the eastward tilting of the uplift.
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| Main Authors: | , , , , , |
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| Format: | Journal Contribution biblioteca |
| Language: | Japanese |
| Published: |
2011
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| Online Access: | http://hdl.handle.net/1834/15676 |
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| Summary: | Some active faults, active anticlines, and active synclines were discovered by the seismic reflection survey conducted off Niigata!Murakami including the epicenter of the 1964 Niigata Earthquake. Most active faults are distributed on the Awashima Uplift Zone and cut the erosion surface formed about
18, 000 years ago. The average slip rate of the fault near the earthquake fault of the 1964 Niigata Earthquake is over 0.56m/ka. Several normal faults detected under the Awashima Uplift Zone are supposed to be formed by the eastward tilting of the uplift. |
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