Station AC66

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	2.85	0.18	2024-11-17	-21.14	0.48	2005.72553	2005	266
East	-18.59	0.19	2024-11-17	141.70	0.46	2005.72553	2005	266
Up	2.34	0.38	2024-11-17	-11.12	1.39	2005.72553	2005	266

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)
2010-05-08	2010.34771	-2.95	0.49	4.68	0.46	2.85	1.47	antenna
2014-06-01	2014.41342	1.77	0.92	-4.2	0.89	0.44	2.73	antenna
2014-06-23	2014.47365	10.71	1.42	-5.91	1.34	-19.85	4.49	earthquake	7.9	usc000rki5	145.8
2017-06-17	2017.45722	5.41	0.49	-8.26	0.46	0.74	1.47	antenna
2021-07-29	2021.57221	14.34	1	-7.04	1.01	-6.5	2.44	earthquake	8.2	ak0219neiszm	1572.1

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)
2014-06-22	2014.47365	8.2	0.5	0.0001	-4.47	0.48	0.0001	-2.63	1.45	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	2005.72553	2005	266	-0.85	0.10	-0.34	0.09	-0.33	0.07	0.38	0.07	-0.07	0.03	-0.02	0.03	0.03	0.03	-0.02	0.03
East	2005.72553	2005	266	0.30	0.09	-0.64	0.09	0.07	0.06	0.14	0.06	0.08	0.03	-0.16	0.03	0.17	0.03	0.05	0.03
Up	2005.72553	2005	266	-1.94	0.30	0.68	0.29	-0.17	0.22	0.15	0.22	-0.03	0.11	-0.01	0.11	-0.05	0.10	-0.49	0.10

ITRF2014