LongValley_ITRF2014 Network

Station ECHO

Last observation
Nov 7, 2024(2 days ago)
Closest stations

5 closest stations in all networks

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
North0.430.052024-11-07-0.790.13200020001
East-2.610.052024-11-0710.760.13200020001
Up-0.570.192024-11-072.640.50200020001

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 -0.79 0.13 10.76 0.13 2.64 0.5 earthquake 7.1 ci9108652 409.1
1999-12-24 1999.97741 -0.79 0.13 10.76 0.13 2.64 0.5 antenna
2011-09-21 2011.72005 -5.64 0.47 2.94 0.46 -0.63 1.79 antenna
2016-05-17 2016.37509 0.48 0.43 0.31 0.42 -1.58 1.62 other
2019-07-06 2019.50924 -0.34 0.43 -0.23 0.43 -0.44 1.63 earthquake 7.1 ci38457511 381.7

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))
North0.472.581.000.500002.0000020.1382.000.01
East0.532.471.000.500002.0000020.1432.000.01
Up0.9810.691.000.500002.0000010.0002.000.01

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)
North2000200010.270.090.880.10-0.010.07-0.120.070.080.020.010.02-0.020.020.000.02
East2000200010.630.090.330.090.150.07-0.160.070.080.020.150.02-0.020.020.040.02
Up200020001-0.100.29-0.130.29-0.360.21-0.980.210.020.070.070.070.270.070.090.07

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-9.140.062024-11-0740.570.16200020001
East-15.860.062024-11-0767.700.16200020001
Up-0.510.222024-11-072.730.55200020001

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 40.57 0.16 67.7 0.16 2.73 0.55 earthquake 7.1 ci9108652 409.1
1999-12-24 1999.97741 40.57 0.16 67.7 0.16 2.73 0.55 antenna
2011-09-21 2011.72005 -4.98 0.56 3.18 0.58 -1.51 1.96 antenna
2016-05-17 2016.37509 0.51 0.51 -0.17 0.53 -2.73 1.77 other
2019-07-06 2019.50924 0.64 0.52 -0.5 0.53 0.06 1.79 earthquake 7.1 ci38457511 381.7

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))
North0.463.201.000.500002.0000020.1102.000.00
East0.523.221.000.500002.0000020.1762.000.00
Up0.9311.711.000.500002.0000010.0002.000.07

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)
North2000200010.460.110.790.110.040.08-0.130.080.090.02-0.020.02-0.020.02-0.110.02
East2000200010.670.120.050.120.180.09-0.100.090.090.020.190.02-0.060.020.000.02
Up200020001-0.430.32-0.840.32-0.440.23-0.780.230.030.070.060.070.240.070.060.07

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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