Station UCSB

Last observation

Dec 20, 2024(2 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	30.54	0.21	2024-12-20	-261.37	0.61	2000.057495	2000	22
East	-29.28	0.31	2024-12-20	253.43	0.68	2000.057495	2000	22
Up	0.62	0.28	2024-12-20	-0.96	1.37	2000.057495	2000	22

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	-0.01	0.64	-2.17	0.7	-3.12	1.54	earthquake	6.6	nc21323712	183.2
2010-04-04	2010.25462	-0.01	0.64	-0.75	0.7	-2.5	1.54	earthquake	7.2	ci14607652	484.5
2012-04-21	2012.3039	2.27	0.72	-0.87	0.83	0.38	1.62	antenna
2019-07-06	2019.50924	11.41	3.34	1.33	4.88	-22.83	4.67	earthquake	7.1	ci38457511	253.3

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	0.65	2.76	1.00	0.50000	2.00000	1	0.000	2.00	0.57
East	0.60	2.71	1.00	0.50000	2.00000	1	0.000	2.00	1.00
Up	2.45	8.27	1.00	0.50000	2.00000	1	0.000	2.00	0.06

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	2000.057495	2000	22	0.95	0.12	1.28	0.13	-0.19	0.09	0.35	0.08	-0.06	0.03	-0.07	0.03	-0.07	0.03	0.00	0.03
East	2000.057495	2000	22	1.97	0.14	0.87	0.14	0.11	0.09	-0.06	0.09	0.02	0.03	-0.13	0.03	0.10	0.03	-0.09	0.03
Up	2000.057495	2000	22	2.36	0.31	-0.56	0.31	-0.84	0.23	-1.33	0.23	0.01	0.10	0.03	0.10	-0.07	0.10	-0.11	0.10

ITRF2014