Station CACT

Last observation

Dec 20, 2024(5 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	8.88	0.18	2024-12-20	-128.77	6.16	2000.208077	2000	77
East	-9.22	0.20	2024-12-20	98.29	6.41	2000.208077	2000	77
Up	-1.12	0.39	2024-12-20	-58.25	14.13	2000.208077	2000	77

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	-0.71	1.52	0.43	1.44	-4.28	4.98	earthquake	7.2	ci14607652	165.2
2010-06-15	2010.45175	0.58	0.57	0.19	0.52	-0.58	1.95	earthquake	5.7	ci14745580	105.6
2012-10-27	2012.82136	0.43	0.48	2.64	0.46	-2.01	1.46	antenna
2013-11-20	2013.88433	4.18	0.48	0.9	0.46	0.25	1.47	antenna
2014-09-26	2014.73374	-4.92	0.54	-0.29	0.51	0.53	1.63	antenna
2015-02-11	2015.11225	5.1	0.49	0.74	0.46	-0.69	1.53	antenna
2019-07-06	2019.50924	0.7	0.5	-0.74	0.48	0.73	1.52	earthquake	7.1	ci38457511	277

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	5.14	1.64	0.0001	3.28	1.72	0.0001	13.08	3.62	0.0001
2010-04-03	2010.25462	-4.1	0.55	0.0001	0.14	0.53	0.0001	3.37	1.71	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	2000.208077	2000	77	0.56	0.07	-0.21	0.07	0.00	0.05	0.11	0.05	0.10	0.02	-0.04	0.02	0.03	0.02	-0.02	0.02
East	2000.208077	2000	77	0.59	0.07	-0.69	0.07	-0.20	0.05	0.01	0.05	0.14	0.02	0.04	0.02	0.00	0.02	-0.09	0.02
Up	2000.208077	2000	77	1.53	0.23	-0.13	0.23	-0.18	0.17	0.87	0.17	0.04	0.08	0.00	0.08	-0.44	0.08	0.17	0.08

ITRF2014