Well that was unexpected... within a couple of hours of setting up the geophone in Ben's room there was a magnitude
3.2 earthquake in Edmond (a suburb of Oklahoma city about 20km away)
Fortunately we were able to view the signal from this earthquake on a couple of professional seismic stations run by the Oklahoma geological survey in Oklahoma city.
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| M3.2 earthquake recorded on professional stations in Oklahoma city |
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| the same quake captured on Ben's geophone |
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| It might look small but the time and shape of this wiggle confirm it really is our first earthquake |
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Given that the geophone was stuck to a windowsill with bluetack on the 4th floor I think that this counts as a remarkable success !
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