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

Code: GBMT
Latitude:  46.85920
Longitude: -112.45680
Elevation:  2235.0
Depth: 
Name: Granite Butte, Montana
Region: Montana
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:
=================

GBMT is located approximately 60 meters from a pre-existing site, GBM,
which is not currently occupied. GBMT is part of the University of
Montana Seismic Network.

Data at the ISC for 1 years between 2020 and 2020.