M=4.5 Central Virginia 9 December 2003

Shown above are vertical-component seismograms for five stations from the 9 December 2003 central Virginia event. The epicentral distance increases from top to bottom: CVVA (Charlottesville; 71 kilometers), BLA (Blacksburg; 225), ELN (Pearisburg; 253), FWV (Forest Hill, WV; 254), PWV (Princeton, WV; 277). The traces have not been corrected for instrument response, so the relative amplitudes have no meaning.

Note that this is a double event.

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