Station OAES

NA2014

Plots

Plot showing NA2014 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
North4.310.142022-08-18-86.060.471999.188912199970
East-3.250.162022-08-188.230.451999.188912199970
Up-0.040.272022-08-18-6.941.431999.188912199970

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)
1999-10-16 1999.7885 31.45 1.42 16.58 1.34 -4.95 4.58 earthquake 7.1 ci9108652 54.4
2000-10-18 2000.79671 0.51 0.49 10.55 0.46 -2.99 1.53 antenna
2004-10-13 2004.78303 -2.52 0.49 -8.13 0.46 -3.92 1.43 antenna
2007-09-11 2007.69268 17.72 0.48 -15.9 0.46 0.09 1.43 antenna
2010-04-04 2010.25462 -7.11 0.48 -2.19 0.46 1.26 1.43 earthquake 7.2 ci14607652 218
2019-07-04 2019.50376 1.67 1.28 -0.95 1.2 -0.73 4.71 earthquake 6.4 ci38443183 217.7
2019-07-06 2019.50924 -0.72 1.28 -0.08 1.2 -0.22 4.71 earthquake 7.1 ci38457511 228.5

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

Post-seismic

Decimal date N log amplitude (mm) N log amplitude standard deviation (mm) N time constant (years) E log amplitude (mm) E log amplitude standard deviation (mm) E time constant (years) U log amplitude (mm) U log amplitude standard deviation (mm) U time constant (years)
1999-10-16 1999.7885 -0.51 0.49 0.0001 4.74 0.47 0.0001 3.68 1.43 0.0001

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)
North1999.1889121999701.090.07-0.490.07-0.090.050.100.050.030.02-0.010.02
East1999.188912199970-1.900.071.590.07-0.050.05-0.110.050.120.020.110.02
Up1999.188912199970-0.360.220.790.23-0.390.171.330.170.170.08-0.150.08

ITRF2014

Plots

Plot showing ITRF2014 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
North-5.870.142022-08-1844.000.471999.188912199970
East-15.530.162022-08-18164.560.451999.188912199970
Up-0.150.272022-08-18-6.431.431999.188912199970

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)
1999-10-16 1999.7885 32.92 1.42 14.78 1.34 -6.67 4.58 earthquake 7.1 ci9108652 54.4
2000-10-18 2000.79671 0.8 0.49 10.83 0.46 -3.12 1.53 antenna
2004-10-13 2004.78303 -1.98 0.49 -7.83 0.46 -4.2 1.43 antenna
2007-09-11 2007.69268 18.05 0.48 -15.79 0.46 -0.33 1.43 antenna
2010-04-04 2010.25462 -6.85 0.48 -2.38 0.46 1.22 1.43 earthquake 7.2 ci14607652 218
2019-07-04 2019.50376 2.78 1.28 -0.09 1.2 -2.76 4.71 earthquake 6.4 ci38443183 217.7
2019-07-06 2019.50924 -0.5 1.28 -0.97 1.2 2.15 4.71 earthquake 7.1 ci38457511 228.5

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

Post-seismic

Decimal date N log amplitude (mm) N log amplitude standard deviation (mm) N time constant (years) E log amplitude (mm) E log amplitude standard deviation (mm) E time constant (years) U log amplitude (mm) U log amplitude standard deviation (mm) U time constant (years)
1999-10-16 1999.7885 -0.95 0.49 0.0001 5.28 0.47 0.0001 4.38 1.43 0.0001

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)
North1999.1889121999701.060.07-0.730.07-0.120.050.090.05-0.060.020.010.02
East1999.188912199970-2.140.071.540.07-0.060.05-0.190.050.120.020.120.02
Up1999.188912199970-0.990.221.010.23-0.270.171.200.170.160.08-0.120.08

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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