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Station details:
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Code: ITQB
Latitude: -29.67140
Longitude:  -56.62410
Elevation:    80.0
Depth:     0.0
Name: Itaqui
Region: Rio Grande do Sul,Brazil
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:
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this station is part of the Brazilian Seismic Network

Data at the ISC for 13 years between 2013 and 2025.