core/homeassistant/components/geonetnz_volcano/strings.json

{
  "config": {
    "title": "GeoNet NZ Volcano",
    "step": {
      "user": {
        "title": "Fill in your filter details.",
        "data": {
          "radius": "Radius"
        }
      }
    },
    "error": {
      "identifier_exists": "Location already registered"
    }
  }
}