Station AB22

Last observation

Oct 22, 2024

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	-8.06	0.19	2024-10-22	70.02	0.47	2006.399726	2006	147
East	4.57	0.21	2024-10-22	-39.94	0.45	2006.399726	2006	147
Up	3.58	0.34	2024-10-22	-26.86	1.37	2006.399726	2006	147

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)
2016-01-24	2016.06297	-6.13	1.41	-0.93	1.34	1.76	4.5	earthquake	7.1	us10004gqp	78.4
2018-01-23	2018.06023	5.52	0.49	-5.33	0.46	-2.43	1.48	earthquake	7.9	us2000cmy3	543.1
2018-11-30	2018.9117	0.58	0.49	-1.45	0.46	-0.88	1.47	earthquake	7	ak20419010	305.7
2020-07-22	2020.55578	-5.57	3.08	14.32	3.16	7.37	7.5	earthquake	7.8	at00qdux98	588.4
2020-10-19	2020.79945	-5.57	3.08	14.32	3.16	7.37	7.5	earthquake	7.6	us6000c9hg	660.2
2021-07-29	2021.57221	-5.57	3.08	14.32	3.16	7.37	7.5	earthquake	8.2	ak0219neiszm	542.7

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)
2016-01-24	2016.06297	2.22	0.49	0.0001	0.8	0.47	0.0001	-0.64	1.4	0.0001
2021-07-28	2021.57221	1.11	2.29	0.0001	-12.7	2.37	0.0001	-4.58	5.43	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	2006.399726	2006	147	0.73	0.09	-1.27	0.09	0.16	0.06	0.12	0.06	-0.07	0.03	-0.07	0.03	-0.08	0.03	-0.07	0.03
East	2006.399726	2006	147	0.80	0.08	-0.87	0.08	0.50	0.06	-0.10	0.06	0.09	0.02	-0.02	0.02	0.05	0.02	0.01	0.02
Up	2006.399726	2006	147	-1.91	0.27	0.55	0.27	-0.32	0.20	-0.50	0.20	0.16	0.10	-0.08	0.10	0.06	0.09	0.11	0.09

ITRF2014