Station details:
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Code: ALME
Latitude:   9.43000
Longitude:   42.04000
Elevation:  2133.0
Depth: 
Name: Alemaya
Region: Ethiopia
Status: 

      

        
     
    
   
   

    

     

      
Arrival picks statistics
     
     

      

      

     
     

      
Travel Time Analysis
     
     

      

     
     

      
On the top graph every dot represents the median residual for one month of data. The green line is the overall median; the orange line shows the standard deviation (smad) based on the median absolute deviation (mad), whilst the red line shows twice the standard deviation (2 * smad).
The bottom graph shows the number of residuals for each month. The red columns show the number of residuals whose median (for that month) is outside two standard deviations from the overall median (2 * smad).
Red dots indicate a possible clock error.
     
    
   
 

Station comments:
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opened 1988

Data at the ISC for 10 years between 1988 and 2008.