Eature

Visualize events recorded by NASA's Earth Observatory Natural Event Tracker (EONET)

• NASA APIs
• EONET API Documentation
• Example API data

StepZen

StepZen

Dev Setup

npm install -g stepzen

Dev Commands

yarn start

Starts React frontend

stepzen start

Launches local stepzen graphiql explorer and backend data sources

Production Deployment

todo

API Data Structures

Example NASA EONET api results

Super Typhoon Surigae

{
  "id": "EONET_5300",
  "title": "Super Typhoon Surigae",
  "description": null,
  "link": "https://eonet.sci.gsfc.nasa.gov/api/v3/events/EONET_5300",
  "closed": null,
  "categories": [
    {
      "id": "severeStorms",
      "title": "Severe Storms"
    }
  ],
  "sources": [
    {
      "id": "GDACS",
      "url": "https://www.gdacs.org/Cyclones/report.aspx?eventid=1000778&eventtype=TC"
    },
    {
      "id": "JTWC",
      "url": "https://www.metoc.navy.mil/jtwc/products/wp0221.tcw"
    }
  ],
  "geometry": [
    {
      "magnitudeValue": 35.0,
      "magnitudeUnit": "kts",
      "date": "2021-04-14T00:00:00Z",
      "type": "Point",
      "coordinates": [137.7, 8.5]
    },

    {
      "magnitudeValue": 35.0,
      "magnitudeUnit": "kts",
      "date": "2021-04-14T06:00:00Z",
      "type": "Point",
      "coordinates": [137.4, 8.9]
    },

     ...<more geometries>

Example URLs for Before & During satellite images given a date, lat, lon

• https://api.nasa.gov/planetary/earth/imagery?lon=137.7&lat=8.5&date=2021-03-01&dim=0.5&api_key=DEMO_KEY
• https://api.nasa.gov/planetary/earth/imagery?lon=137.7&lat=8.5&date=2021-04-14&dim=0.5&api_key=DEMO_KEY

Example graphql query

{
  getEventById(id: "EONET_5300") {
    description
    id
    title
    coordinates {
      lat
      lon
    }
    date
    geoType
  }
}

Super Typhoon Surigae

{
  "data": {
    "coordinates": [
      {
        "lat": "137.7",
        "lon": "8.5"
      }
    ],
    "getEventById": {
      "coordinates": [
        {
          "lat": "137.7",
          "lon": "8.5"
        }
      ],
      "date": "2021-04-14T00:00:00Z",
      "description": null,
      "geoType": "Point",
      "id": "EONET_5300",
      "title": "Super Typhoon Surigae"
    }
  }
}

• https://api.nasa.gov/planetary/earth/imagery?lon=137.7&lat=8.5&date=2021-04-14&dim=0.5&api_key=DEMO_KEY