Research/Terra/ 955741
Task evidence / county-event-intersection

Counties shared by historical earthquake and wildfire snapshots

PassComputational taskUnpublished draft
Download evidence JSON ↓

The question

955741
Which US counties experiencing earthquakes in the last 30 days also have active wildfires?
Exact submitted task and declared adaptations
Which US counties experiencing earthquakes in the last 30 days also have active wildfires?

Task conventions: Use the original county polygons, supplied earthquake snapshot (observed dates 2025-01-16 through 2025-02-15), and the archived NIFC current-incident feed (latest ModifiedOn 2024-02-27). Last 30 days and active mean those supplied snapshots, not today. These files are NOT contemporaneous: the result identifies counties represented in BOTH snapshots, not evidence of simultaneous hazards. NIFC's feed excludes contained, controlled, out and certified incidents. Select IncidentTy=WF, excluding RX prescribed burns. A county qualifies if its original polygon intersects at least one earthquake AND at least one selected wildfire point; boundary-touching qualifies. Count each original county once despite multiple events. Keep all county attributes and original geometry. Missing/invalid event geometry cannot establish absence; disclose source coverage and dates. Select earthquake records with type='earthquake'; the source also contains quarry blasts, explosions and ice quakes, which are not the requested earthquake events.



List qualifying county names with state/GEOID and publish an inspectable county selection preserving benchmark_row_id. A map is optional. End with one fenced JSON object: {count:integer,unknown_count:number of original events with missing or invalid geometry,coverage_note:string,selection:{collectionId,itemId,assetKey}}. Explicitly state that the two snapshots differ in year and do not prove concurrent earthquake/fire conditions.

Delivery format: provide the answer object with all fields specified above as final_response on assess_result, alongside the inspected final artifact_refs. This replaces the JSON-code-block formatting requirement above. Blue attaches your explicit selection to the accepted final answer. Finish with a concise ordinary-language answer agreeing with that selected result; do not duplicate the JSON in chat.

Supplied immutable inputs:
[
  {
    "name": "US county boundaries",
    "edition": "Census TIGER/Line 2024",
    "units": {},
    "collectionId": "blue-generated--[resource id withheld]",
    "itemId": "[resource id withheld]",
    "assetKey": "data"
  },
  {
    "name": "Earthquake points, frozen 30-day snapshot",
    "edition": "Archive labelled Feb142025; observed event timestamps 2025-01-16 through 2025-02-15 UTC",
    "units": {},
    "collectionId": "blue-generated--[resource id withheld]",
    "itemId": "[resource id withheld]",
    "assetKey": "data"
  },
  {
    "name": "Frozen US fire incident locations and recorded sizes",
    "edition": "Frozen GeoBenchX archive; not a current active-fire feed",
    "units": {
      "IncidentSi": "acres"
    },
    "collectionId": "blue-generated--[resource id withheld]",
    "itemId": "[resource id withheld]",
    "assetKey": "data"
  }
]

Outcome & verification

Independent artifact and delivery checks passed.

Duration
15m 33s
Recorded Blue tool calls
48
Total tokens
2,457,977
Model cost
Not recorded
Application revision
d50497ea9084f29c91b05406688f87035df98d8a
Release
terra-geobenchx-v1

Recorded final answer

I found 12 qualifying counties in the supplied snapshots: - Los Angeles County, CA (06037) - Riverside County, CA (06065) - Cherokee County, OK (40021) - Dewey County, OK (40043) - Love County, OK (40085) - McIntosh County, OK (40091) - Pontotoc County, OK (40123) - Seminole County, OK (40133) - Woods County, OK (40151) - Monroe County, TN (47123) - Polk County, TN (47139) - Gray County, TX (48179) No requested event records were reported with missing or invalid geometry in the supplied files, so the unknown event-geometry count is 0. Important limitation: the earthquake snapshot covers 2025-01-16 through 2025-02-15 UTC, while the archived fire snapshot’s latest ModifiedOn is 2024-02-27. These snapshots differ in year and do not prove concurrent earthquake and wildfire conditions. Next action: use the attached county selection to inspect or export the original county polygons with benchmark_row_id preserved. ### Limitations - The earthquake and fire snapshots are from different years, so overlap in this result does not prove concurrent earthquake and wildfire conditions. - The result is limited to point geometries present in the supplied snapshots; missing or invalid event geometry would be unknown rather than absent, although none were reported in these supplied files. - The earthquake and fire snapshots are from different years, so county overlap in this result does not prove concurrent earthquake and wildfire conditions. - The result is based on supplied event point locations intersecting original county polygons. It does not represent burn perimeters, shaking extent, or any broader county hazard footprint. - The selected counties show where both supplied event snapshots hit the same county polygons, not any broader county hazard history. - This snapshot covers observed earthquake events from 2025-01-16 through 2025-02-15 UTC only. - This archived fire snapshot is not current and its latest ModifiedOn is 2024-02-27. - This result reflects event point intersections in the supplied snapshots only; boundary-touching qualifies because the joins use intersects. - This result identifies counties represented in both supplied snapshots and does not prove simultaneous earthquake and wildfire conditions.

Independent checks

These checks are separate from the agent's own assessment. A successful job or an assertion of success is not enough to pass.

Expected count
12
Reported count
12
Computation verified
Yes
Answer fulfilled
Yes
Full grading and rubric record
{
  "expectedCount": 12,
  "actualCount": 12,
  "expectedMetrics": null,
  "actualMetrics": null,
  "computationCorrect": true,
  "answerFulfilled": true,
  "adjudication": null,
  "qualification": null,
  "reasons": []
}

Recorded investigation findings

The agent's reported hypotheses and assessments, retained as evidence of its process—not independent proof that the answer is correct. Failed calls retain their requested verdict, not an accepted assessment.

run_trial · completed

Do the requested earthquake and wildfire filters, followed by aggregate county-point spatial joins, produce a one-row-per-county selection that preserves original county geometry and attributes while identifying counties that intersect at least one filtered earthquake and at least one filtered wildfire point?

assess_trial · completed · assessment: sufficient

The full-extent trial confirmed the requested filters and intersection method. The earthquake filter returned 9,009 point features with type='earthquake' and no invalid geometries reported in the filtered set. The wildfire filter returned 254 point features with IncidentTy='WF' and no invalid geometries reported in the filtered set. Two aggregate spatial joins preserved one row per qualifying county and kept original county attributes and geometry while adding eq_event_count and wf_event_count. The resulting qualifying county selection contains 12 counties.

assess_result · failed · requested assessment: sufficient

I found 12 qualifying counties in the supplied snapshots. The final inspectable county selection preserves original county geometry and benchmark_row_id. Counties: Los Angeles County, California (06037); Riverside County, California (06065); Cherokee County, Oklahoma (40021); Dewey County, Oklahoma (40043); Love County, Oklahoma (40085); McIntosh County, Oklahoma (40091); Pontotoc County, Oklahoma (40123); Seminole County, Oklahoma (40133); Woods County, Oklahoma (40151); Monroe County, Tennessee (47123); Polk County, Tennessee (47139); Gray County, Texas (48179). Sources used: supplied U.S. Census Bureau TIGER/Line 2024 county boundaries; supplied USGS Earthquake Hazards Program snapshot with observed event timestamps 2025-01-16 through 2025-02-15 UTC; supplied archived NIFC/WFIGS incident snapshot with latest ModifiedOn 2024-02-27. The two snapshots differ in year, so this result identifies counties represented in both snapshots and does not prove concurrent earthquake and wildfire conditions.

assess_result · failed · requested assessment: sufficient

I found 12 qualifying counties in the supplied snapshots. The final inspectable county selection preserves original county geometry and benchmark_row_id. Counties: Los Angeles County, California (06037); Riverside County, California (06065); Cherokee County, Oklahoma (40021); Dewey County, Oklahoma (40043); Love County, Oklahoma (40085); McIntosh County, Oklahoma (40091); Pontotoc County, Oklahoma (40123); Seminole County, Oklahoma (40133); Woods County, Oklahoma (40151); Monroe County, Tennessee (47123); Polk County, Tennessee (47139); Gray County, Texas (48179). Sources used: supplied U.S. Census Bureau TIGER/Line 2024 county boundaries; supplied USGS Earthquake Hazards Program snapshot with observed event timestamps 2025-01-16 through 2025-02-15 UTC; supplied archived NIFC/WFIGS incident snapshot with latest ModifiedOn 2024-02-27. The two snapshots differ in year, so this result identifies counties represented in both snapshots and does not prove concurrent earthquake and wildfire conditions.

assess_result · failed · requested assessment: sufficient

I found 12 qualifying counties in the supplied snapshots, and the published county selection preserves original county geometry and benchmark_row_id. Counties: Los Angeles County, California (06037); Riverside County, California (06065); Cherokee County, Oklahoma (40021); Dewey County, Oklahoma (40043); Love County, Oklahoma (40085); McIntosh County, Oklahoma (40091); Pontotoc County, Oklahoma (40123); Seminole County, Oklahoma (40133); Woods County, Oklahoma (40151); Monroe County, Tennessee (47123); Polk County, Tennessee (47139); Gray County, Texas (48179). Sources: supplied U.S. Census Bureau TIGER/Line 2024 county boundaries; supplied USGS Earthquake Hazards Program snapshot with observed event timestamps 2025-01-16 through 2025-02-15 UTC; supplied archived NIFC/WFIGS incident snapshot with latest ModifiedOn 2024-02-27. The two snapshots differ in year, so this result identifies counties represented in both snapshots and does not prove concurrent earthquake and wildfire conditions.

assess_result · completed · assessment: sufficient

I found 12 qualifying counties in the supplied snapshots, and the published county selection preserves original county geometry and benchmark_row_id. Counties: Los Angeles County, California (06037); Riverside County, California (06065); Cherokee County, Oklahoma (40021); Dewey County, Oklahoma (40043); Love County, Oklahoma (40085); McIntosh County, Oklahoma (40091); Pontotoc County, Oklahoma (40123); Seminole County, Oklahoma (40133); Woods County, Oklahoma (40151); Monroe County, Tennessee (47123); Polk County, Tennessee (47139); Gray County, Texas (48179). Sources: supplied U.S. Census Bureau TIGER/Line 2024 county boundaries; supplied USGS Earthquake Hazards Program snapshot with observed event timestamps 2025-01-16 through 2025-02-15 UTC; supplied archived NIFC/WFIGS incident snapshot with latest ModifiedOn 2024-02-27. The two snapshots differ in year, so this result identifies counties represented in both snapshots and does not prove concurrent earthquake and wildfire conditions.

Recorded workflow

  1. 01

    Count wildfire matches by county

    Recorded vector-spatial-join · succeeded

  2. 02

    Count earthquake matches by county

    Recorded vector-spatial-join · succeeded

  3. 03

    Supplied counties

    Recorded source · succeeded

  4. 04

    Counties with earthquakes and wildfires in supplied snapshots

    Recorded output · succeeded

  5. 05

    Filter earthquakes

    Recorded vector-filter · succeeded

  6. 06

    Supplied earthquakes

    Recorded source · succeeded

  7. 07

    Filter wildfires

    Recorded vector-filter · succeeded

  8. 08

    Supplied fires

    Recorded source · succeeded

  9. 09

    Count wildfire matches by county

    Recorded vector-spatial-join · succeeded

  10. 10

    Count earthquake matches by county

    Recorded vector-spatial-join · succeeded

  11. 11

    Supplied counties

    Recorded source · succeeded

  12. 12

    Filter earthquakes

    Recorded vector-filter · succeeded

  13. 13

    Supplied earthquakes

    Recorded source · succeeded

  14. 14

    Filter wildfires

    Recorded vector-filter · succeeded

  15. 15

    Supplied fires

    Recorded source · succeeded

  16. 16

    Filter earthquakes

    Recorded output · succeeded

  17. 17

    Filter wildfires

    Recorded output · succeeded

  18. 18

    Count wildfire matches by county

    Recorded output · succeeded

Activity

Recorded actions

Recorded observable actions only, not private reasoning. Raw payloads, geometry, private links and credentials are omitted; full evidence is retained privately. Activity/workflow lists bounded at 500 entries.

  1. Progress update

    I’ll first inspect the supplied files and current analysis context, then run a small private test to confirm the field names and intersection method before building the final county selection.

  2. get_collection

    Recorded tool call · completed

  3. get_collection

    Recorded tool call · completed

  4. get_collection

    Recorded tool call · completed

  5. get_analysis

    Recorded tool call · completed

  6. Progress update

    I’ve got the Blue tool access. Next I’m checking the retained analysis state and the exact schema of the three supplied files so I can use the original county polygons and the right event filters.

  7. update_analysis_brief

    Recorded tool call · completed

  8. get_item

    Recorded tool call · completed

  9. get_item

    Recorded tool call · completed

  10. get_item

    Recorded tool call · completed

  11. Progress update

    I’ve recorded the goal and limits. Now I’m reading a few sample rows from each supplied file so I can confirm the exact county, earthquake, and fire fields before I run the overlap test.

  12. Progress update

    I’ve confirmed the field lists. Next I’m looking up the exact processors for attribute filtering and polygon–point intersection so I can test the smallest working overlap method first.

  13. list_processors

    Recorded tool call · completed

  14. list_processors

    Recorded tool call · completed

  15. get_tool_help

    Recorded tool call · completed

  16. get_tool_help

    Recorded tool call · completed

  17. Progress update

    I found the likely processor path: filter the earthquake points, filter the fire points, then select counties that intersect each filtered set and keep one county row per original county. I’m now checking the actual sample records and geometry metadata so I can confirm the filters and unknown-geometry count logic.

  18. inspect_artifact

    Recorded tool call · failed

  19. inspect_artifact

    Recorded tool call · failed

  20. inspect_artifact

    Recorded tool call · failed

  21. get_tool_help

    Recorded tool call · completed

  22. describe_processors

    Recorded tool call · completed

  23. Progress update

    I have a concrete method now: two attribute filters, then two aggregate spatial joins so each county stays one row. I’m running that as a private full-extent trial first so I can inspect the filtered events and the resulting county selection before I save the final workflow.

  24. run_trial

    Recorded tool call · completed

  25. get_trial_report

    Recorded tool call · completed

  26. Progress update

    The private test worked: it found a clean one-row-per-county result with 12 qualifying counties. I still need one more check before I finalize: whether any requested earthquake or wildfire records had missing or invalid geometry, because those records cannot prove absence.

  27. Progress update

    I’ve confirmed the overlap method. Now I’m inspecting the actual selected county rows so I can report the exact county list and preserve the final inspectable selection.

  28. inspect_artifact

    Recorded tool call · completed

  29. inspect_artifact

    Recorded tool call · completed

  30. Progress update

    The overlap method is supported. I’m now reading the final county rows and then I’ll save the tested computation as the inspectable county selection for delivery.

  31. assess_trial

    Recorded tool call · completed

  32. Progress update

    I have the exact 12 county rows. I’m checking the output reference format Blue wants for the final acceptance step, and then I’ll record the final answer object with the county selection attached.

  33. get_analysis

    Recorded tool call · completed

  34. inspect_workflow_results

    Recorded tool call · completed

  35. Progress update

    I have the county list already. I’m doing one last evidence check on the original event snapshots so the final answer can state whether any requested earthquake or wildfire records had missing or invalid geometry.

  36. inspect_artifact

    Recorded tool call · completed

  37. inspect_artifact

    Recorded tool call · completed

  38. Progress update

    I’m pulling the source-level geometry check now. After that I can record the final result with the county selection and the source-coverage note.

  39. inspect_artifact

    Recorded tool call · completed

  40. inspect_artifact

    Recorded tool call · completed

  41. Progress update

    I’ve verified the source snapshots too: neither supplied event file reported invalid geometries, so the unknown event-geometry count is 0 for this task. I’m refreshing the brief with the confirmed limits, then I’ll record the final result object.

  42. update_analysis_brief

    Recorded tool call · completed

  43. Progress update

    I’m recording the accepted county selection now, with the structured answer object Blue asked for.

  44. assess_result

    Recorded tool call · failed

  45. Progress update

    Blue asked for the exact recorded acceptance checks, so I’m resubmitting the same result with those conditions matched exactly.

  46. assess_result

    Recorded tool call · failed

  47. get_tool_help

    Recorded tool call · completed

  48. get_tool_help

    Recorded tool call · completed

  49. Progress update

    The county selection from the private trial cannot be attached as the final public result, so I’m saving the tested method as a real deliverable now and then I’ll inspect that final output before recording the answer.

  50. get_tool_help

    Recorded tool call · completed

  51. get_tool_help

    Recorded tool call · completed

  52. get_tool_help

    Recorded tool call · completed

  53. get_tool_help

    Recorded tool call · completed

  54. Progress update

    I’m saving the tested full-extent method as a real workflow deliverable, reusing the exact successful trial. After that I can execute it and attach the final selection instead of the private trial artifact.

  55. propose_workflow

    Recorded tool call · completed

  56. Progress update

    The saved workflow is ready and exactly matches the tested computation. I’m executing it now so the final county selection can be attached as a verified deliverable.

  57. execute_workflow

    Recorded tool call · completed

  58. Progress update

    The published run finished successfully in the background. I’m inspecting that final county selection now so I can attach the verified deliverable instead of the private trial output.

  59. get_analysis

    Recorded tool call · completed

  60. inspect_workflow_results

    Recorded tool call · completed

  61. Progress update

    I’ve got the final published county selection. I’m reading its rows once more from the published output, then I’ll record the final accepted result and answer.

  62. inspect_artifact

    Recorded tool call · completed

  63. get_analysis

    Recorded tool call · completed

  64. Progress update

    The final deliverable is ready. I’m reading its published county rows now, then I’ll lock in the accepted result.

  65. inspect_artifact

    Recorded tool call · completed

  66. Progress update

    I have the published county rows and the final inspectable selection. I’m recording the accepted result now.

  67. assess_result

    Recorded tool call · failed

  68. Progress update

    Blue needs the final spatial preview too. I’m adding that last inspection, then I’ll complete the result record.

  69. inspect_artifact

    Recorded tool call · completed

  70. Progress update

    I have the final output already; I’m just retrieving the required spatial preview receipt so Blue can accept the published county selection.

  71. inspect_artifact

    Recorded tool call · completed

  72. Progress update

    I’ve completed the final preview check. I’m submitting the accepted county selection and answer object now.

  73. assess_result

    Recorded tool call · completed

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