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MCB HHZ NC
( Casa Benchmark )

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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 (MBS1 EP1 NC) || Next Site (MCC SHZ NN)
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
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Last modification: November 15, 2000