Station details:
================
      

    

     
Code: LHS
Latitude:  34.47617
Longitude:  -80.80617
Elevation:   120.0
Depth: 
Name: Liberty Hill
Region: South Carolina,U.S.A.
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.
     
     

      
Travel time residuals
     
     

      

      

      

     
    
   
 

Station comments:
=================

opened 19740520
USGS 19740520-19910228
GPS resurvey 1990s
Coords corrected 19991004

Data at the ISC for 30 years between 1974 and 2009.

Known station history:
======================

First and Last use refers to the time period in which the coordinates were used by the ISC.

Code   Station name/Region                                           Latitude  Longitude Elevation   Depth  First use   Last use
================================================================================================================================

LHS    Liberty Hill                                                  34.47920  -80.80830     120.0         25-08-1999 25-08-1999  
       South Carolina