Thursday, January 21, 2010

Examining the Last 7 Days of Earthquakes


Aloha All:

On the ArcLessons library is a short set of guidelines that walks you through the process of downloading and examining the last 7 days of earthquakes around the world, in ArcMap:

http://edcommunity.esri.com/arclessons/lesson.cfm?id=477

I revised these procedures this week because I wished to analyze why the Haiti earthquakes were so unusual compared to historical earthquakes in that region. Using the above procedures, I found my answer. So will you if you do the same.

And speaking of the tragedy in Haiti, one good thing that is happening is that the GIS community in academia, government, nonprofits, and private industry are coming together to assemble data sets to help in the relief effort. When you think about it, everything they do in terms of getting supplies and medicine to where it needs to go, and finding out where it needs to go in the first place, alternative routes when roads and airfields are destroyed, etc, requires base maps. It is good to know that GIS is helping even in the face of a disaster.

--Joseph Kerski

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