Station P667

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
North8.700.212024-02-02-75.350.482007.7556472007277
East-9.920.222024-02-0262.630.452007.7556472007277
Up-3.250.482024-02-0287.251.422007.7556472007277

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)
2008-06-28 2008.49008 -2.41 0.5 -0.54 0.47 -10.22 1.5 antenna
2010-01-10 2010.02464 -44.02 0.53 -11.85 0.51 131.05 1.68 earthquake 6.5 nc71338066 274
2010-07-16 2010.53662 17.64 0.55 5.42 0.52 -88.61 1.74 antenna
2011-10-16 2011.7885 5.51 0.49 1.65 0.47 -30.35 1.51 antenna
2013-06-13 2013.44627 7.91 0.89 0.21 0.9 -18.51 2.25 antenna
2014-03-10 2014.18617 5.16 0.5 2.27 0.47 -12 1.51 earthquake 6.8 nc72182046 312.7
2016-08-10 2016.6078 4.83 0.51 0.7 0.48 -5.59 1.6 antenna
2017-08-31 2017.66256 12.85 0.92 3.4 0.9 -47.76 2.34 antenna
2022-08-18 2022.62697 -2.7 0.51 -0.97 0.48 5.12 1.65 antenna
2022-12-20 2022.96646 -17.47 0.6 2.32 0.56 25.56 2.12 earthquake 6.4 nc73821036 250.7
2023-05-11 2023.35592 20.09 1.01 0.28 0.99 39.96 2.94 earthquake 5.5 nc73886731 42.1

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 (14.76-day period), mmStandard deviation of cosine amplitude (14.76-day period)Amplitude of sine (14.76-day period), mmStandard deviation of sine amplitude (14.76-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)
North2007.755647200727732.240.12-8.070.11-15.330.086.370.080.050.030.230.03-0.030.03-0.150.03
East2007.75564720072776.150.12-0.100.11-3.480.071.620.070.010.030.380.03-0.120.030.130.03
Up2007.7556472007277-70.580.3917.530.3533.460.27-14.530.270.140.12-0.390.120.500.120.690.12

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-3.020.212024-02-025.080.482007.7556472007277
East-22.980.222024-02-02150.330.452007.7556472007277
Up-3.240.482024-02-0287.761.422007.7556472007277

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)
2008-06-28 2008.49008 -2.58 0.5 -0.53 0.47 -9.67 1.5 antenna
2010-01-10 2010.02464 -44.19 0.53 -12.83 0.52 130.55 1.68 earthquake 6.5 nc71338066 274
2010-07-16 2010.53662 17.56 0.55 5.84 0.52 -88.7 1.74 antenna
2011-10-16 2011.7885 5.99 0.49 1.69 0.47 -29.56 1.51 antenna
2013-06-13 2013.44627 7.8 0.89 0.12 0.9 -20.31 2.25 antenna
2014-03-10 2014.18617 4.59 0.5 2.06 0.47 -11.98 1.51 earthquake 6.8 nc72182046 312.7
2016-08-10 2016.6078 4.87 0.51 0.62 0.48 -5.94 1.6 antenna
2017-08-31 2017.66256 12.55 0.92 3.37 0.9 -47.95 2.34 antenna
2022-08-18 2022.62697 -2.35 0.51 -0.41 0.48 6.9 1.65 antenna
2022-12-20 2022.96646 -16.95 0.6 3.99 0.56 27.21 2.12 earthquake 6.4 nc73821036 250.7
2023-05-11 2023.35592 18.21 1.01 -0.92 0.99 36.57 2.94 earthquake 5.5 nc73886731 42.1

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 (14.76-day period), mmStandard deviation of cosine amplitude (14.76-day period)Amplitude of sine (14.76-day period), mmStandard deviation of sine amplitude (14.76-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)
North2007.755647200727732.450.12-7.930.11-15.260.086.430.080.100.030.190.030.060.03-0.150.03
East2007.75564720072776.480.12-0.280.11-3.660.071.660.070.020.030.390.03-0.070.030.110.03
Up2007.7556472007277-70.150.3917.300.3533.410.27-14.880.270.320.12-0.470.120.530.120.840.12

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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