Station AC11

Last observation

Nov 17, 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	11.32	0.16	2024-11-17	-102.25	0.47	2005.550308	2005	202
East	-10.27	0.18	2024-11-17	98.51	0.45	2005.550308	2005	202
Up	8.00	0.29	2024-11-17	-76.51	1.36	2005.550308	2005	202

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	-0.44	0.49	0.87	0.46	0.98	1.45	earthquake	7.1	us10004gqp	367.5
2017-05-11	2017.35592	0.32	0.49	-4.69	0.46	-0.26	1.47	antenna
2018-01-23	2018.06023	-3.87	0.49	-1.97	0.46	-4.7	1.48	earthquake	7.9	us2000cmy3	648
2018-11-30	2018.9117	-3.55	1.4	7.69	1.33	28.35	4.47	earthquake	7	ak20419010	100.3
2020-07-22	2020.55578	0.27	0.49	-0.09	0.46	0.37	1.49	earthquake	7.8	at00qdux98	958.4
2021-07-29	2021.57221	1.01	0.49	-0.59	0.47	-2.62	1.46	earthquake	8.2	ak0219neiszm	907.1

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	2.57	0.48	0.0001	0.44	0.47	0.0001	-9.07	1.38	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	2005.550308	2005	202	-0.37	0.08	0.25	0.08	0.13	0.05	-0.16	0.06	-0.04	0.02	-0.17	0.02	-0.04	0.02	0.12	0.02
East	2005.550308	2005	202	0.19	0.07	-0.89	0.08	-0.11	0.05	-0.26	0.05	0.06	0.02	-0.03	0.02	-0.01	0.02	-0.05	0.02
Up	2005.550308	2005	202	-1.39	0.25	6.05	0.25	-0.34	0.18	0.51	0.19	-0.02	0.09	0.04	0.09	0.05	0.09	-0.01	0.09

ITRF2014