Now you know what it's like living on the fault line. They say that there's a good chance of a major earthquake taking place on the east coast (eastern Canada had one some years back as I recall).
By the way, there's all kinds of trimmers - here's one:
http://www.solana.co.uk/trimmer.jpg
And then there's tremors like this:
http://www.cr.nps.gov/delta/images/seismograph.gif