Station AB39

Last observation

Nov 11, 2024(1 day 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	-3.13	0.16	2024-11-11	25.19	0.47	2008.618754	2008	227
East	1.66	0.18	2024-11-11	-13.19	0.45	2008.618754	2008	227
Up	-1.47	0.28	2024-11-11	15.74	1.36	2008.618754	2008	227

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)
2018-01-23	2018.06023	-1.21	0.49	0.32	0.46	-9.9	1.46	earthquake	7.9	us2000cmy3	1192.8
2021-07-29	2021.57221	0.06	0.51	-0.53	0.48	-0.03	1.59	earthquake	8.2	ak0219neiszm	1417.7

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

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	2008.618754	2008	227	0.50	0.10	-0.10	0.10	-0.36	0.07	-0.35	0.07	0.10	0.03	-0.13	0.03	0.08	0.03	0.08	0.03
East	2008.618754	2008	227	-0.71	0.09	-0.12	0.09	-0.02	0.06	-0.56	0.06	0.03	0.03	0.03	0.03	-0.04	0.03	-0.03	0.03
Up	2008.618754	2008	227	1.91	0.30	1.33	0.30	-0.81	0.22	1.08	0.22	0.01	0.11	0.10	0.11	0.18	0.10	-0.23	0.10

ITRF2014