{"_buckets": {"deposit": "7181853a-710f-4524-9e92-2fb56f49f845"}, "_deposit": {"id": "32972", "owner": "1", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "32972"}, "status": "published"}, "_oai": {"id": "oai:repository.dl.itc.u-tokyo.ac.jp:00032972", "sets": []}, "author_link": ["128560", "128559"], "item_4_alternative_title_1": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "\u7e26\u305a\u308c\u578b\u6df1\u767a\u5730\u9707\u306b\u3088\u3063\u3066\u52b1\u8d77\u3055\u308c\u308b\u5408\u6210\u6d77\u6d0b\u6027\u30ec\u30a4\u30ea\u30fc\u6ce2\u306e\u4e00\u6b21\u9ad8\u6b21\u30e2\u30fc\u30c9\u306e\u30b9\u30da\u30af\u30c8\u30eb"}]}, "item_4_biblio_info_7": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "1983-03-31", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "4", "bibliographicPageEnd": "625", "bibliographicPageStart": "609", "bibliographicVolumeNumber": "57", "bibliographic_titles": [{"bibliographic_title": "\u6771\u4eac\u5927\u5b78\u5730\u9707\u7814\u7a76\u6240\u5f59\u5831 = Bulletin of the Earthquake Research Institute, University of Tokyo"}]}]}, "item_4_description_13": {"attribute_name": "\u30d5\u30a9\u30fc\u30de\u30c3\u30c8", "attribute_value_mlt": [{"subitem_description": "application/pdf", "subitem_description_type": "Other"}]}, "item_4_description_5": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "For the purpose of understanding the excitation of the first higher mode of oceanic Rayleigh waves, the waves are simulated for the seismic sources with a pure dip-slip motion along a vertical fault plane, for various focal depths from 10 to 500 km. It is suggested that the first higher mode of oceanic Rayleigh waves generated by deep earthquakes with the focal depth of about 200 or 300 km can be observed in the period range from 20 to 50 seconds, with the amplitude exceeding that of the fundamental mode. The optimum filtering parameters for the analysis of dispersed oceannic Rayleigh waves are determined by using the simulated Rayleigh waves of the fundamental and first higher modes. The filtering parameters will be used most effectively for the determination of the group velocity dispersion curves of oceanic surface waves.", "subitem_description_type": "Abstract"}, {"subitem_description": 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