International Registry of Seismograph Stations
maintained jointly by
International Seismological Centre & World Data Center for Seismology, Denver



Station details: ================
Code: VDL
Latitude: 46.48318
Longitude: 9.44956
Elevation: 1927.0
Depth:
Name: Val di Lei
Region: Switzerland
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: ================= Checked against station bulletin opened 1982 BB opened 199808 Data at the ISC for 42 years between 1983 and 2024. 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 ================================================================================================================================ VDL Val di Lei 46.48650 9.46983 1900.0 25-08-1999 10-12-2008 Switzerland
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