Station TBON

NA-fixed

Plots

Plot showing NA-fixed data (All data)

These plots depict the North, East and Up components of the station as a function of time. More detailed explanation »

Dashed vertical lines show offsets (when present) due to:

  • Green – antenna changes from site logs
  • Red – earthquakes
  • Blue – manually entered

Downloads

Velocities

Velocity (mm/yr)Velocity standard deviation (mm/yr)Last observationIntercept (mm)Intercept standard deviation (mm)Reference dateReference yearReference day of year
North4.650.202021-08-15-32.430.472008.3449692008127
East-6.500.222021-08-1538.870.452008.3449692008127
Up5.540.382021-08-15-36.811.382008.3449692008127

Offsets

Decimal date N offset (mm) N uncertainty (mm) E offset (mm) E uncertainty (mm) U offset (mm) U uncertainty (mm) Type Earthquake magnitude Earthquake information Distance from epicenter (km)
2016-01-24 2016.06297 1.63 0.5 1.05 0.47 -1.07 1.54 earthquake 7.1 us10004gqp 263.3
2016-07-24 2016.56126 16.99 0.5 17.59 0.47 6.24 1.55 antenna
2018-01-23 2018.06023 -3.84 0.5 -1.3 0.48 -5.39 1.59 earthquake 7.9 us2000cmy3 577.4
2018-05-27 2018.39973 -0.17 0.53 1.13 0.5 -0.94 1.68 Reference Frame Change: IGb08 to IGS14
2018-11-30 2018.9117 12.85 0.5 -1.9 0.47 -13 1.52 earthquake 7 ak20419010 17.6
2020-07-22 2020.55578 1.42 0.5 0.47 0.47 -0.26 1.59 earthquake 7.8 at00qdux98 854.9
2020-10-19 2020.79945 1.24 0.5 -0.88 0.47 0.15 1.61 earthquake 7.6 us6000c9hg 934.3
2021-07-29 2021.57221 -1.31 0.65 0 0 -0.27 2.2 earthquake 8.2 ak0219neiszm 803.8

Noise

White noise (mm)Amplitude of first power law (mm/yr^(n1/4))n1 (spectral index of first power law)Lower frequency limit for band-pass (BP) filtered noise (cycle/year)Upper frequency limit for band-pass (BP) filtered noise (cycle/year) Number of poles for BP filtered noiseAmplitude of BP filtered noise (mm)n2 (spectral index of second power law)Amplitude of second power law (mm/yr^(n2/4))
North0.851.701.000.500002.0000010.0002.000.50
East0.841.401.000.500002.0000010.0002.000.60
Up3.206.401.000.500002.0000010.0002.000.50

Seasonal

Reference dateReference yearReference day of yearAmplitude of cosine (365.25-day period), mmStandard deviation of cosine amplitude (365.25-day period)Amplitude of sine (365.25-day period), mmStandard deviation of sine amplitude (365.25-day period)Amplitude of cosine (180.625-day period), mmStandard deviation of cosine amplitude (180.625-day period)Amplitude of sine (180.625-day period), mmStandard deviation of sine amplitude (180.625-day period)Amplitude of cosine (13.63-day period), mmStandard deviation of cosine amplitude (13.63-day period)Amplitude of sine (13.63-day period), mmStandard deviation of sine amplitude (13.63-day period)
North2008.3449692008127-0.590.10-0.680.10-0.090.070.220.07-0.150.030.020.03
East2008.34496920081270.940.09-0.580.090.590.06-0.050.06-0.020.030.020.03
Up2008.3449692008127-5.080.310.890.310.640.23-1.610.230.080.110.080.11

ITRF2008

Plots

Plot showing ITRF2008 data (All data)

These plots depict the X, Y and Z components of the station as a function of time. More detailed explanation »

Dashed vertical lines show offsets (when present) due to:

  • Green – antenna changes from site logs
  • Red – earthquakes
  • Blue – manually entered

Downloads

Velocities

Velocity (mm/yr)Velocity standard deviation (mm/yr)Last observationIntercept (mm)Intercept standard deviation (mm)Reference dateReference yearReference day of year
North-13.510.202021-08-1589.610.472008.3449692008127
East-16.150.222021-08-15101.740.452008.3449692008127
Up5.200.382021-08-15-34.191.382008.3449692008127

Offsets

Decimal date N offset (mm) N uncertainty (mm) E offset (mm) E uncertainty (mm) U offset (mm) U uncertainty (mm) Type Earthquake magnitude Earthquake information Distance from epicenter (km)
2016-01-24 2016.06297 2.11 0.5 0.93 0.47 -0.4 1.54 earthquake 7.1 us10004gqp 263.3
2016-07-24 2016.56126 17.12 0.5 17.54 0.47 5.69 1.55 antenna
2018-01-23 2018.06023 -3.49 0.5 -0.85 0.48 -5.27 1.59 earthquake 7.9 us2000cmy3 577.4
2018-05-27 2018.39973 -5.16 0.53 2.26 0.5 -1.57 1.68 Reference Frame Change: IGb08 to IGS14
2018-11-30 2018.9117 12.84 0.5 -2.28 0.47 -13.01 1.52 earthquake 7 ak20419010 17.6
2020-07-22 2020.55578 1.34 0.5 0.06 0.47 0.79 1.59 earthquake 7.8 at00qdux98 854.9
2020-10-19 2020.79945 0.93 0.5 -0.64 0.47 -1.09 1.61 earthquake 7.6 us6000c9hg 934.3
2021-07-29 2021.57221 -0.09 0.63 -0.07 0.58 1.63 2.2 earthquake 8.2 ak0219neiszm 803.8

Noise

White noise (mm)Amplitude of first power law (mm/yr^(n1/4))n1 (spectral index of first power law)Lower frequency limit for band-pass (BP) filtered noise (cycle/year)Upper frequency limit for band-pass (BP) filtered noise (cycle/year) Number of poles for BP filtered noiseAmplitude of BP filtered noise (mm)n2 (spectral index of second power law)Amplitude of second power law (mm/yr^(n2/4))
North0.851.701.000.500002.0000010.0002.000.50
East0.841.401.000.500002.0000010.0002.000.60
Up3.206.401.000.500002.0000010.0002.000.50

Seasonal

Reference dateReference yearReference day of yearAmplitude of cosine (365.25-day period), mmStandard deviation of cosine amplitude (365.25-day period)Amplitude of sine (365.25-day period), mmStandard deviation of sine amplitude (365.25-day period)Amplitude of cosine (180.625-day period), mmStandard deviation of cosine amplitude (180.625-day period)Amplitude of sine (180.625-day period), mmStandard deviation of sine amplitude (180.625-day period)Amplitude of cosine (13.63-day period), mmStandard deviation of cosine amplitude (13.63-day period)Amplitude of sine (13.63-day period), mmStandard deviation of sine amplitude (13.63-day period)
North2008.3449692008127-0.660.10-0.970.100.040.070.240.07-0.150.030.020.03
East2008.34496920081270.760.09-0.440.090.460.060.030.06-0.030.030.010.03
Up2008.3449692008127-5.610.311.230.310.750.23-1.510.230.090.110.140.11

These results are preliminary. The station positions are unchecked and should not be used for any engineering applications. There may be errors in the antenna heights. The velocities are very dependent on the length of the span of observations. The presence of outliers (errant observations) sometimes contaminates the velocities.

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