Station AB07

Last observation

Dec 16, 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	3.07	0.16	2024-12-16	8.18	0.47	2004.810404	2004	297
East	-6.19	0.17	2024-12-16	26.00	0.45	2004.810404	2004	297
Up	-0.14	0.29	2024-12-16	14.88	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	0.14	0.49	0.27	0.47	-0.67	1.47	earthquake	7.9	usc000rki5	1263.6
2015-05-29	2015.4052	1.65	0.49	0.79	0.46	0.92	1.45	earthquake	6.7	ak11610140	288.1
2018-01-23	2018.06023	1.98	0.49	-2.02	0.46	0.7	1.43	earthquake	7.9	us2000cmy3	714.1
2020-07-22	2020.55578	-131.07	1.65	117.18	1.53	-58.85	5.83	earthquake	7.8	at00qdux98	129.5
2020-10-19	2020.79945	11.22	1.51	-15.62	1.41	-9.43	5.12	earthquake	7.6	us6000c9hg	97.9
2021-07-29	2021.57221	3.25	1.43	34.49	1.35	-23.05	4.63	earthquake	8.2	ak0219neiszm	167.3
2023-07-16	2023.53662	-20.3	0.49	-1.43	0.46	-1.67	1.53	earthquake	7.2	us7000kg30	100.6

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	-21.93	0.6	0.0001	13.8	0.56	0.0001	-4.31	2.06	0.0001
2020-10-19	2020.79945	-4.67	0.56	0.0001	1.17	0.53	0.0001	2.69	1.84	0.0001
2021-07-28	2021.57221	-8.04	0.5	0.0001	8.03	0.48	0.0001	5.03	1.51	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	-0.76	0.08	0.55	0.08	0.06	0.06	0.12	0.06	0.15	0.02	0.07	0.02	0.06	0.02	0.10	0.02
East	2004.810404	2004	297	-0.91	0.08	0.73	0.08	0.26	0.05	0.20	0.05	-0.11	0.02	0.04	0.02	-0.04	0.02	-0.03	0.02
Up	2004.810404	2004	297	-0.35	0.26	-0.49	0.25	0.23	0.19	-0.14	0.19	0.00	0.09	-0.06	0.09	-0.21	0.09	0.09	0.09

ITRF2014