Great app for any earthquake geek
Ok, I admit I'm a bit of an earthquake geek. This app taught me more than I had imagined about the science and physics of earthquakes. It's a thought-provoking demo, too, when you put down the iphone e.g. on a table and you can see exactly how powerful a 7.6 earthquake is. When I had a follow-up question, the guys from Pervasent, Inc. were also pretty cool about getting back to me.
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