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Real-time, worldwide earthquake list Mashup and Tutorial E-mail
Written by Glenn Letham (GISuser editor)   
12 January 2006
Ever wanted to create your own mashup? Now you can using Yahoo! maps and the developer tools they provide. Check out this live Earthquake Map of USGS M>2.5 Rasmus Lerdorf, the developer, made a live Map of earthquakes with magnitude greater than 2.5 and gives a step by step tutorial detailing how he did it.


The mashup is relatively simple in concept, showing all recent magnitude 2.5+ earthquakes. Each quake epicenter is shown with a small icon displaying the magnitude. Expanding the information reveals the time and direct link to the USGS data on that particularl quake - provided by the earthquake hazards program. Looking deeper at the application though, a useful tutorial is provided... this is the cool stuff! (Note: the developer is an employee of Yahoo!)

The tutorial takes you through:

  • The raw geocoding API
  • Writing your first application
  • Adding a map
  • Making the map prettier
  • why Flash?

The tutorial leads to valuable learning tools, like this discussion about using the Map Image in Yahoo! maps... The Yahoo! Maps Map Image API allows you to get a URL pointing to a graphic of a map generated according to the parameters you specify. See HERE

Simple enough to follow, this helpful document is a nice start for first time map hackers.

Yahoo! quake map

See Quake Map Here http://lerdorf.com/php/ymap/yquakes.php


Tutorial - http://toys.lerdorf.com/archives/35-GeoCool!.html

More on quakes - http://earthquake.usgs.gov

Last Updated ( 11 July 2007 )
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