Station GMRC

Last observation

Jan 29, 2022

Closest stations

5 closest stations in all networks

NA-fixed

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	0.65	0.09	2022-01-28	-5.23	2.64	1999.81588	1999	299
East	-2.57	0.08	2022-01-28	9.92	2.42	1999.81588	1999	299
Up	0.24	0.23	2022-01-28	-1.56	6.85	1999.81588	1999	299

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)
2000-06-14	2000.45175	-8.57	0.94	-2.47	0.9	5.16	2.4	antenna
2010-04-04	2010.25462	-5.11	0.56	0.75	0.48	1.38	1.43	earthquake	7.2	ci14607652	279.1
2019-07-04	2019.50376	0.78	1.53	1.54	1.27	0.38	4.15	earthquake	6.4	ci38443183	196.6
2019-07-06	2019.50924	-0.59	1.53	2.68	1.27	-4.05	4.15	earthquake	7.1	ci38457511	207.8
2021-01-28	2021.07392	1.03	0.57	-1.43	0.49	2.54	1.46	antenna

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	0.79	3.18	1.00	0.50000	2.00000	1	0.000	2.00	0.00
East	0.65	2.66	1.00	0.50000	2.00000	2	0.148	2.00	0.01
Up	2.29	7.97	1.00	0.50000	2.00000	1	0.000	2.00	0.02

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	1.78	0.82	0.0001	4.56	0.76	0.0001	-1.42	2.12	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	1999.81588	1999	299	-0.36	0.10	0.18	0.10	-0.06	0.07	-0.01	0.07					-0.03	0.03	0.01	0.03
East	1999.81588	1999	299	0.50	0.11	0.88	0.11	-0.11	0.08	0.15	0.08					-0.03	0.02	0.09	0.02
Up	1999.81588	1999	299	-0.31	0.26	-2.24	0.25	0.50	0.19	-0.23	0.19					0.38	0.08	0.13	0.08

ITRF2008