Station AB07

Last observation

Jan 25, 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	2.79	0.16	2022-01-25	-11.06	0.47	2004.810404	2004	297
East	-6.08	0.18	2022-01-25	39.70	0.45	2004.810404	2004	297
Up	0.09	0.30	2022-01-25	4.36	1.36	2004.810404	2004	297

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)
2014-06-23	2014.47365	0.06	0.49	0.36	0.47	-0.81	1.47	earthquake	7.9	usc000rki5	1263.6
2015-05-29	2015.4052	1.17	0.49	0.02	0.46	0.21	1.46	earthquake	6.7	ak11610140	288.1
2018-01-23	2018.06023	1.3	0.49	-1.59	0.46	-0.16	1.43	earthquake	7.9	us2000cmy3	714.1
2020-07-22	2020.55578	-133.66	1.66	118.11	1.53	-54.51	5.87	earthquake	7.8	at00qdux98	129.5
2020-10-19	2020.79945	10.91	1.52	-15.03	1.42	-11.77	5.16	earthquake	7.6	us6000c9hg	97.9
2021-07-29	2021.57221	-2.42	1.55	35.76	1.44	-15.58	5.34	earthquake	8.2	ak0219neiszm	167.3

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	0.85	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)
2020-07-22	2020.55578	-20.78	0.61	0.0001	13.49	0.57	0.0001	-6.01	2.08	0.0001
2020-10-19	2020.79945	-4.68	0.56	0.0001	1.03	0.53	0.0001	3.67	1.85	0.0001
2021-07-28	2021.57221	-5.79	0.55	0.0001	7.51	0.52	0.0001	1.56	1.81	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	2004.810404	2004	297	-0.47	0.09	0.10	0.08	-0.05	0.06	0.14	0.06					0.08	0.02	0.08	0.02
East	2004.810404	2004	297	-0.70	0.08	0.97	0.08	0.35	0.05	0.15	0.05					-0.03	0.02	-0.02	0.02
Up	2004.810404	2004	297	0.34	0.27	0.57	0.26	0.45	0.19	-0.22	0.20					-0.09	0.09	0.04	0.09

ITRF2008