Station WIDC

Last observation

Dec 23, 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	13.83	0.40	2024-12-23	-205.34	8.84	2000	2000	1
East	-10.19	0.31	2024-12-23	119.61	7.70	2000	2000	1
Up	-0.13	0.33	2024-12-23	-56.21	10.19	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)
2010-04-04	2010.25462	1.89	1.93	0.2	2.08	-5.3	4.82	earthquake	7.2	ci14607652	209.6
2013-11-20	2013.88433	-16.03	0.71	-4.67	0.76	1.83	1.59	antenna
2019-07-04	2019.50376	2.77	1.38	2.09	1.58	-4.91	4.74	earthquake	6.4	ci38443183	221.3
2019-07-06	2019.50924	-0.15	1.38	-0.74	1.58	1.63	4.74	earthquake	7.1	ci38457511	231.5

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	0.82	1.98	1.00	0.50000	2.00000	1	0.000	2.00	1.53
East	0.85	2.79	1.00	0.50000	2.00000	1	0.000	2.00	1.04
Up	2.69	8.81	1.00	0.50000	2.00000	1	0.000	2.00	0.00

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	8.77	2.58	0.0001	2.52	2.21	0.0001	11	2.65	0.0001
2010-04-03	2010.25462	-3.16	0.76	0.0001	-0.05	0.77	0.0001	2.05	1.46	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	0.50	0.12	0.83	0.12	-0.08	0.07	-0.22	0.07	0.11	0.02	0.03	0.02	0.00	0.02	0.01	0.02
East	2000	2000	1	1.13	0.12	0.13	0.12	0.32	0.08	-0.04	0.08	0.00	0.03	0.14	0.03	-0.10	0.03	0.03	0.03
Up	2000	2000	1	1.11	0.26	1.15	0.27	-0.47	0.20	-0.82	0.20	0.03	0.08	0.17	0.08	0.26	0.08	0.03	0.08

ITRF2014