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  • Author Author: tigerfeather
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Next project .... Seismograph ?

tigerfeather

next project suggestion at home seismograph with data logging and maybe a mesh network of them to pin point the direction. The Surf Lab: A Place For Kooks and Dukes Alike

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  • Someone here in Christchurch made one for detecting earthquakes a few years back.

    I think he just used accelerometers to give measurement of all three axis and you're only looking for 1-2G forces.

     

    For those that aren't aware the Chch earthquakes re-wrote the book as we had 2.2G vertical accelerations.

    In some cases the buildings were coming down at 1G (freefall) as the ground came back up.

    Prior to this all the modeling was sideways shaking.

     

    Mark

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  • Someone here in Christchurch made one for detecting earthquakes a few years back.

    I think he just used accelerometers to give measurement of all three axis and you're only looking for 1-2G forces.

     

    For those that aren't aware the Chch earthquakes re-wrote the book as we had 2.2G vertical accelerations.

    In some cases the buildings were coming down at 1G (freefall) as the ground came back up.

    Prior to this all the modeling was sideways shaking.

     

    Mark

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