A range of phones are hooked up to the Berkeley Seismological Lab's shake table
Smartphones To Be Pocket Seismometers -- BBC
The smartphones in our pockets are about to get even smarter. Scientists want these ubiquitous gadgets to be put to work helping them detect and investigate earthquakes. The devices contain accelerometers and a team at the Berkeley Seismic Laboratory says the mechanisms are capable of monitoring tremors. An app is being developed that will record the shaking during major events and then report the data back to a central server over the cell network. The high numbers of smartphones now in circulation mean researchers could get very detailed information on who felt what, and where.
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My Comment: This is smart .... and one that millions can easily contribute to.