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From Prashant Phatak:
Find out where the latest earthquakes are occurring across the globe with "What's Shaking!" This app that shows the latest earthquakes across the world. Sort by Largest, Nearest to you(uses GPS to find your position), or Latest Earthquakes. It will even show your current location and altitude if available. Click the Globe icon next to each quake listing to load a map showing your position and the quake!! Facebook or Twitter post the earthquake from the map and let your friends know what's going on. Use the preferences menu to filter Mag>2.5 up to Mag > 6.5 size quakes. Stay informed with What's Shaking!