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



Station details: ================
Code: PLD
Latitude: 42.14690
Longitude: 24.74750
Elevation: 198.0
Depth:
Name: Plovdiv
Region: Bulgaria
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 19830801 Coordinates updated on 28/01/2020 previously 42.1049 24.7031 station has not been moved Data at the ISC for 42 years between 1983 and 2024.
International Seismological Centre
Pipers Lane, Thatcham, Berkshire
United Kingdom RG19 4NS
voice: +44 (0)1635 861022
fax: +44 (0)1635 872351

web site: http://www.isc.ac.uk/
e-mail: station_reg@isc.ac.uk