Station AC33

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	-9.54	0.19	2024-12-15	-17.56	0.47	2007.722793	2007	265
East	-8.75	0.20	2024-12-15	47.56	0.45	2007.722793	2007	265
Up	13.44	0.42	2024-12-15	71.23	1.40	2007.722793	2007	265

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)
2008-09-02	2008.67077	73.26	0.5	12.4	0.47	-109.72	1.49	antenna
2011-09-14	2011.70089	-3.42	0.49	-3.67	0.46	2.37	1.5	antenna
2012-07-07	2012.51472	27.78	0.49	10.98	0.47	-62.35	1.52	antenna
2016-01-24	2016.06297	36.62	0.49	1.14	0.47	-52.78	1.48	earthquake	7.1	us10004gqp	368.5
2017-07-22	2017.55305	-15.98	0.5	-2.12	0.47	32.13	1.53	antenna
2018-01-23	2018.06023	21.29	0.49	4.34	0.47	-24.31	1.52	earthquake	7.9	us2000cmy3	747.3
2018-11-30	2018.9117	-127.85	1.42	-16.31	1.35	187.54	4.57	earthquake	7	ak20419010	155.5
2020-07-22	2020.55578	-4.8	0.51	-3.22	0.48	-0.67	1.59	earthquake	7.8	at00qdux98	961.5
2021-07-29	2021.57221	-2.97	0.51	-2.37	0.48	-3.29	1.55	earthquake	8.2	ak0219neiszm	913.9

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)
2018-11-29	2018.9117	29.59	0.49	0.0001	4.59	0.48	0.0001	-44.04	1.44	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	2007.722793	2007	265	64.38	0.10	11.04	0.09	-26.23	0.07	-12.41	0.07	0.41	0.03	-0.23	0.03	0.13	0.03	-0.05	0.03
East	2007.722793	2007	265	8.29	0.09	2.66	0.09	-4.35	0.06	-2.27	0.06	0.07	0.03	0.11	0.03	0.00	0.03	-0.16	0.03
Up	2007.722793	2007	265	-79.22	0.31	-10.54	0.29	31.91	0.22	16.68	0.23	-0.08	0.11	0.33	0.11	-0.19	0.10	-0.30	0.10

ITRF2014