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

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

Code: MBWA
Latitude: -21.15900
Longitude: 119.73119
Elevation: 194.0
Depth:
Name: Marble Bar
Region: Western Australia,Australia
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

Amplitude analysis

On the top graph every dot represents the median value for that 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 (if present) shows twice the standard deviation (2 * smad). The bottom graph shows the number of observations for each month. Any red columns show those observations whose monthly median value is greater than twice the standard deviation (2 * smad) from the overall (running) median (shown in the top graph by red dots). Red dots indicate a possible calibration error.


Station comments: ================= opened 2002? Data at the ISC for 24 years between 2002 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 ================================================================================================================================ MBWA Marble Bar -21.15900 119.73119 185.0 03-03-2000 18-06-2008 Western Australia,Australia MBWA Marble Bar -21.15900 119.73119 194.0 18-06-2008 03-09-2010 Western Australia,Australia
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