Station VDCY

Last observation

Nov 23, 2024(3 days ago)

Closest stations

5 closest stations in all 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	24.05	0.10	2024-11-23	-323.71	6.50	2000.859685	2000	315
East	-24.64	0.21	2024-11-23	323.89	11.97	2000.859685	2000	315
Up	-1.36	0.62	2024-11-23	-31.86	35.27	2000.859685	2000	315

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)
2003-12-23	2003.97467	0.1	0.45	-1.39	0.6	-2.48	1.71	earthquake	6.6	nc21323712	312.7
2010-04-04	2010.25462	-0.78	0.43	-2.28	0.59	0.51	1.68	earthquake	7.2	ci14607652	344
2019-07-04	2019.50376	3.31	1.1	1.21	1.27	-7.29	4.22	earthquake	6.4	ci38443183	181.5
2019-07-06	2019.50924	-1.98	1.54	-1.59	1.89	6.46	6.02	earthquake	7.1	ci38457511	184.8
2019-10-30	2019.82683	0.91	0.59	0.54	0.69	-5.57	1.9	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	0.53	2.39	1.00	0.50000	2.00000	2	0.170	2.00	0.00
East	0.60	2.64	1.00	0.50000	2.00000	2	0.147	2.00	0.40
Up	2.44	7.10	1.00	0.50000	2.00000	1	0.000	2.00	1.28

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	3.86	1.54	0.0001	-3.72	2.91	0.0001	10	8.59	0.0001
2019-07-05	2019.50924	1.8	0.45	0.0001	0.28	0.61	0.0001	0.18	1.79	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	2000.859685	2000	315	-0.36	0.10	1.17	0.10	0.08	0.07	0.00	0.07	0.03	0.02	-0.05	0.02	-0.01	0.02	0.02	0.02
East	2000.859685	2000	315	0.58	0.11	0.68	0.11	0.16	0.08	0.30	0.08	0.15	0.02	-0.06	0.02	-0.04	0.02	0.09	0.02
Up	2000.859685	2000	315	-0.14	0.26	0.54	0.26	0.94	0.18	-0.47	0.18	0.00	0.07	-0.14	0.07	0.31	0.07	-0.01	0.07

ITRF2014