Station USGC

Last observation

Dec 24, 2024(2 days ago)

Closest stations

5 closest stations in all networks

This station is not in any other networks.

NA2014

Plots

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 observation	Intercept (mm)	Intercept standard deviation (mm)	Reference date	Reference year	Reference day of year
North	23.58	0.18	2024-12-24	-314.72	6.00	2000	2000	1
East	-23.19	0.19	2024-12-24	316.89	5.94	2000	2000	1
Up	-0.35	0.39	2024-12-24	-12.06	15.48	2000	2000	1

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)
2000-10-07	2000.7666	-1.42	1.13	4.34	1.08	-3.57	3.25	antenna
2009-12-30	2009.99384	0.3	0.5	0.97	0.47	-0.84	1.57	earthquake	5.8	ci14565620	104.9
2010-04-04	2010.25462	-8.73	1.52	-8.34	1.43	-5.52	4.96	earthquake	7.2	ci14607652	110.9
2010-06-15	2010.45175	-1.88	0.57	-0.74	0.52	-0.81	1.96	earthquake	5.7	ci14745580	39.6
2012-08-26	2012.65161	-1.05	0.48	-0.78	0.46	1.18	1.45	earthquake	5.4	ci15200401	51
2015-10-08	2015.7666	6.34	0.48	-2.59	0.46	1.52	1.44	antenna
2019-07-06	2019.50924	0.6	0.48	-1.15	0.46	-0.39	1.44	earthquake	7.1	ci38457511	334.1

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 noise	Amplitude of BP filtered noise (mm)	n₂ (spectral index of second power law)	Amplitude of second power law (mm/yr^(n₂/4))
North	0.85	1.70	1.00	0.50000	2.00000	1	0.000	2.00	0.50
East	0.84	1.40	1.00	0.50000	2.00000	1	0.000	2.00	0.60
Up	3.20	6.40	1.00	0.50000	2.00000	1	0.000	2.00	0.50

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)
1999-10-15	1999.7885	3.14	1.72	0.0001	-2.73	1.71	0.0001	2.27	4.37	0.0001
2010-04-03	2010.25462	-3.47	0.55	0.0001	1.63	0.53	0.0001	3.86	1.72	0.0001

Seasonal

	Reference date	Reference year	Reference day of year	Amplitude of cosine (365.25-day period), mm	Standard deviation of cosine amplitude (365.25-day period)	Amplitude of sine (365.25-day period), mm	Standard deviation of sine amplitude (365.25-day period)	Amplitude of cosine (180.625-day period), mm	Standard deviation of cosine amplitude (180.625-day period)	Amplitude of sine (180.625-day period), mm	Standard deviation of sine amplitude (180.625-day period)	Amplitude of cosine (14.76-day period), mm	Standard deviation of cosine amplitude (14.76-day period)	Amplitude of sine (14.76-day period), mm	Standard deviation of sine amplitude (14.76-day period)	Amplitude of cosine (13.63-day period), mm	Standard deviation of cosine amplitude (13.63-day period)	Amplitude of sine (13.63-day period), mm	Standard deviation of sine amplitude (13.63-day period)
North	2000	2000	1	0.59	0.07	0.75	0.07	0.05	0.05	-0.03	0.05	0.06	0.02	0.04	0.02	0.00	0.02	-0.02	0.02
East	2000	2000	1	0.87	0.07	0.37	0.07	0.12	0.05	-0.13	0.05	0.04	0.02	0.15	0.02	-0.10	0.02	0.04	0.02
Up	2000	2000	1	-0.93	0.23	1.05	0.23	-0.27	0.17	-0.72	0.17	-0.18	0.08	0.07	0.08	0.31	0.08	0.12	0.08

ITRF2014