{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.com/department-of-the-interior/schemas/earthquake-feature.json",
  "title": "USGS Earthquake Feature",
  "description": "A single earthquake event represented as a GeoJSON Feature in the USGS earthquake catalog.",
  "type": "object",
  "required": ["type", "id", "properties", "geometry"],
  "properties": {
    "type": { "type": "string", "const": "Feature" },
    "id": { "type": "string" },
    "properties": {
      "type": "object",
      "required": ["mag", "place", "time"],
      "properties": {
        "mag": { "type": "number", "description": "Magnitude" },
        "place": { "type": "string" },
        "time": { "type": "integer", "description": "Origin time (Unix ms)" },
        "updated": { "type": "integer" },
        "tz": { "type": ["integer", "null"] },
        "url": { "type": "string", "format": "uri" },
        "detail": { "type": "string", "format": "uri" },
        "felt": { "type": ["integer", "null"] },
        "cdi": { "type": ["number", "null"] },
        "mmi": { "type": ["number", "null"] },
        "alert": { "type": ["string", "null"], "enum": ["green", "yellow", "orange", "red", null] },
        "status": { "type": "string", "enum": ["automatic", "reviewed", "deleted"] },
        "tsunami": { "type": "integer", "enum": [0, 1] },
        "sig": { "type": "integer" },
        "magType": { "type": "string" },
        "type": { "type": "string" },
        "title": { "type": "string" }
      }
    },
    "geometry": {
      "type": "object",
      "properties": {
        "type": { "type": "string", "const": "Point" },
        "coordinates": {
          "type": "array",
          "items": { "type": "number" },
          "minItems": 3,
          "maxItems": 3,
          "description": "[longitude, latitude, depth_km]"
        }
      }
    }
  }
}