{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.usgs-fdsn-event-api",
  "version": "1.0.0",
  "title": "USGS FDSN Event API boundary",
  "summary": "Official-source access, authentication, request-shaping, paging, freshness, legal, and interpretation boundaries for USGS FDSN Event API.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.usgs.fdsn-event-api.access",
        "statement": "The USGS FDSN Event service exposes earthquake catalog queries, counts, catalog and contributor vocabularies, application metadata, and service version information.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.usgs.fdsn-event-api"
        ]
      },
      {
        "id": "fact.usgs.fdsn-event-api.authentication",
        "statement": "Public query access requires no account, but it grants no catalog-editing, alert-issuance, emergency-management, or authoritative interpretation permission.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.usgs.fdsn-event-api"
        ]
      },
      {
        "id": "fact.usgs.fdsn-event-api.request",
        "statement": "Clients must bind time, geographic, magnitude, depth, catalog, contributor, event, ordering, limit, offset, and output format and use real-time GeoJSON feeds for display workloads when advised.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.usgs.fdsn-event-api"
        ]
      },
      {
        "id": "fact.usgs.fdsn-event-api.boundary",
        "statement": "Event locations, magnitudes, products, and review status can change, and catalog results do not forecast earthquakes, establish local impact, replace ShakeAlert or hazard products, or provide safety instructions.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.usgs.fdsn-event-api"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/usgs-fdsn-event-api.json",
  "contentHash": "sha256:c052eb56d0b42286a14e30de85b18a18c1a5e14eb309ad219c0b11f4067479f7",
  "owner": {
    "id": "platos-kallipolis",
    "name": "Plato's Kallipolis",
    "type": "organization",
    "accountabilityUrl": "https://platoskallipolis.com/about"
  },
  "access": {
    "mode": "public",
    "url": "https://platoskallipolis.com/resources/public-data-apis/usgs-fdsn-event-api.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.usgs.fdsn-event-api",
        "url": "https://earthquake.usgs.gov/fdsnws/event/1/wsdl",
        "title": "Earthquake Catalog API Documentation",
        "publisher": "U.S. Geological Survey",
        "observedAt": "2026-08-28T05:32:38Z"
      }
    ]
  },
  "observedAt": "2026-08-28T05:32:38Z",
  "freshness": {
    "policy": "max-age",
    "state": "current",
    "nextReviewAt": "2026-09-04T05:32:38Z",
    "maxAgeSeconds": 604800
  },
  "license": {
    "id": "source-terms-apply",
    "url": "https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.usgs.fdsn-event-api",
      "type": "source-claim",
      "url": "https://earthquake.usgs.gov/fdsnws/event/1/wsdl",
      "observedAt": "2026-08-28T05:32:38Z"
    }
  ]
}