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BBGB HHZ NC
( Big Mountain )

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Data Selector || Station Map || List of Recent Earthquakes || Index Map of Recent Earthquakes || About the Spectrograms

The records shown below are recorded in real-time in Menlo Park, Ca. They are each updated on this page every five minutes. Each panel represents 24 hours of data from one station. The file sizes are approximately 100-200 kbytes.

Click on a spectrogram for full size display.

11/24/2009
11/23/2009
11/22/2009
11/21/2009
       
11/20/2009
11/19/2009
11/18/2009
11/17/2009
       
11/16/2009
11/15/2009
11/14/2009
11/13/2009
       
11/12/2009
11/11/2009
11/10/2009
11/09/2009
       
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Previous Site (PMM EHZ NC) || Next Site (CBR EHZ NC)
Data Selector || Station Map || List of Recent Earthquakes || Index Map of Recent Earthquakes || About the Spectrograms

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U.S. Geological Survey, Earthquake Hazards Program
URL http://quake.wr.usgs.gov/cgi-bin/helicorder.pl
Contact:webmaster@quake.wr.usgs.gov
Last modification: December 13, 2000