Station AC26

Last observation

Dec 15, 2024(3 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	-0.09	0.21	2024-12-15	-0.42	0.47	2008.388775	2008	143
East	0.69	0.22	2024-12-15	3.86	0.45	2008.388775	2008	143
Up	5.06	0.42	2024-12-15	-37.76	1.38	2008.388775	2008	143

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)
2015-05-29	2015.4052	-0.74	0.57	-0.81	0.53	2.81	1.96	earthquake	6.7	ak11610140	226.6
2015-06-18	2015.45996	-3.18	0.57	-1.48	0.53	-5.47	1.96	antenna
2016-01-24	2016.06297	-2.38	1.42	7.48	1.35	1.77	4.57	earthquake	7.1	us10004gqp	164.1
2018-01-23	2018.06023	7.75	1.5	-7.93	1.41	-7.64	5.09	earthquake	7.9	us2000cmy3	389.4
2018-06-08	2018.43258	2.25	0.53	0.22	0.49	-0.71	1.78	antenna
2018-11-30	2018.9117	0.67	0.5	-0.44	0.47	1.99	1.58	earthquake	7	ak20419010	419.7
2020-07-22	2020.55578	-2.13	0.5	-1.4	0.47	-0.64	1.59	earthquake	7.8	at00qdux98	444.4
2020-10-19	2020.79945	-2.3	0.5	-1.94	0.47	3.04	1.59	earthquake	7.6	us6000c9hg	525.6
2021-07-29	2021.57221	-7.96	1.41	1.31	1.34	1.79	4.5	earthquake	8.2	ak0219neiszm	392.8
2023-07-16	2023.53662	0.18	0.5	-2.25	0.47	-2.99	1.57	earthquake	7.2	us7000kg30	584

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	2.19	0.49	0.0001	-1.68	0.48	0.0001	-0.66	1.44	0.0001
2018-01-23	2018.06023	0.85	0.53	0.0001	-3.14	0.51	0.0001	1.32	1.71	0.0001
2021-07-28	2021.57221	-0.6	0.48	0.0001	-1.98	0.47	0.0001	-0.76	1.39	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	2008.388775	2008	143	1.15	0.09	-1.72	0.09	0.07	0.06	-0.14	0.06	-0.12	0.03	-0.07	0.03	0.03	0.03	0.13	0.03
East	2008.388775	2008	143	-0.36	0.08	2.03	0.09	1.13	0.06	0.76	0.06	0.06	0.02	-0.05	0.02	0.01	0.02	-0.06	0.02
Up	2008.388775	2008	143	-2.32	0.28	0.89	0.29	0.37	0.21	0.03	0.21	-0.13	0.10	-0.03	0.10	-0.04	0.10	0.00	0.10

ITRF2014