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

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

Code: CIT
Latitude: 52.02111
Longitude: 113.55194
Elevation: 790.0
Depth:
Name: Chita
Region: Chitinskaya Oblast',Russia
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 1970 Coords corrected>4 km 20000122 Coords corrected slightly 20011127 Data at the ISC for 52 years between 1905 and 2025. 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 ================================================================================================================================ CIT Chita 52.00000 113.60000 790.0 25-08-1999 25-08-1999 Chitinskaya CIT Chita 52.02000 113.55000 790.0 25-08-1999 03-03-2000 Chitinskaya
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