"भूकम्पः" इत्यस्य संस्करणे भेदः

* [http://www.dmoz.org/Science/Earth_Sciences/Geophysics/Earthquakes/ Open Directory - Earthquakes]

* [http://www.mnn.com/earth-matters/wilderness-resources/stories/world-earthquake-map-captures-every-rumble-since-1898 World earthquake map captures every rumble since 1898 | MNN - Mother Nature Network]—[[Mother Nature Network]] (29 June 2012)

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