https://github.com/olizilla/earthquake-emitter

I emit `earthquake` events with data about the location and magnitude.
https://github.com/olizilla/earthquake-emitter

Last synced: 9 days ago
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I emit `earthquake` events with data about the location and magnitude.

• Host: GitHub
• URL: https://github.com/olizilla/earthquake-emitter
• Owner: olizilla
• License: agpl-3.0
• Created: 2016-04-24T11:42:42.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2016-04-24T13:01:43.000Z (over 8 years ago)
• Last Synced: 2024-12-20T20:13:33.141Z (14 days ago)
• Language: JavaScript
• Size: 17.6 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# earthquake-emitter

I emit `earthquake` events with data about the location and magnitude.

Usage:

```js

  var quakes = new EarthquakeEmitter()

  quakes.on('earthquake', (q) => console.log(q.properties.title))

  // M 2.6 - 8km NW of Gerlach-Empire, Nevada

```

Internally, I poll http://earthquake.usgs.gov for geojson data of quakes in

the last 2.5 days. I store the quake ids from the last response, and compare it

with the new response to figure out which quakes are new, and emit those ones.

An average `earthquake` payload looks a bit like this: (there are many other properties)

```js

{

  type: 'Feature',

  properties: {

    mag: 4.7,

    place: '13km NNW of Kandrian, Papua New Guinea',

    time: 1461410344330,

  },

  geometry: {

    type: 'Point',

    coordinates: [ 149.5163, -6.101, 61.89 ]

  },

  id: 'us20005l6g'

}

```

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