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Wednesday, 21 December 2011

Comparing earthquake strength over time

This animation compares the relative "sizes" of recent and historical earthquakes. Each circle's area indicates relative energy release, color indicates tsunami potential

See http://ptwc.weather.gov/ptwc/about_messages.php, and labels indicate each earthquake's moment magnitude (according to USGS/NEIC), location, and the year they happened.




Thanks to http://geogteacher.wordpress.com/ for finding this

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