# Sinkhole Risk Screen - Florida Sinkhole Alley

**Use case:** 

Ready-to-run karst and sinkhole risk screen for 4 Central Florida properties: karst unit type and proximity for geotechnical and insurance diligence.

## Input

```json
{
  "assets": [
    {
      "lat": 28.54,
      "lon": -81.38,
      "label": "Orlando, FL"
    },
    {
      "lat": 29.19,
      "lon": -82.14,
      "label": "Ocala, FL"
    },
    {
      "lat": 28.48,
      "lon": -82.52,
      "label": "Spring Hill, FL"
    },
    {
      "lat": 29.65,
      "lon": -82.32,
      "label": "Gainesville, FL"
    }
  ],
  "radiusMiles": 2,
  "maxAssets": 500
}
```

## Output

```json
{
  "asset_label": {
    "label": "Asset label",
    "format": "string"
  },
  "asset_lat": {
    "label": "Asset latitude",
    "format": "number"
  },
  "asset_lon": {
    "label": "Asset longitude",
    "format": "number"
  },
  "in_karst_terrain": {
    "label": "In karst terrain",
    "format": "boolean"
  },
  "primary_karst_label": {
    "label": "Primary karst label",
    "format": "string"
  },
  "near_surface": {
    "label": "Near surface",
    "format": "boolean"
  },
  "sinkhole_risk_context": {
    "label": "Sinkhole risk context",
    "format": "string"
  },
  "geotech_phase1_flag": {
    "label": "Geotech Phase-I flag",
    "format": "boolean"
  },
  "nearby_karst_within_radius": {
    "label": "Nearby karst within radius",
    "format": "boolean"
  }
}
```

## About this Actor

This example demonstrates how to use [USGS Karst Sinkhole Risk Screener — Geohazard by Coordinate](https://apify.com/malonestar/karst-sinkhole-risk-screener) with a specific input configuration. Visit the [Actor detail page](https://apify.com/malonestar/karst-sinkhole-risk-screener) to learn more, explore other use cases, and run it yourself.