Station AC67

Last observation

Dec 16, 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	12.12	0.17	2024-12-16	-118.45	0.48	2006.481862	2006	177
East	-7.87	0.19	2024-12-16	84.10	0.45	2006.481862	2006	177
Up	7.87	0.33	2024-12-16	-72.61	1.39	2006.481862	2006	177

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	-0.88	0.49	-0.04	0.46	0.39	1.49	earthquake	6.7	ak11610140	276.3
2016-01-24	2016.06297	2.65	0.49	0.69	0.46	-1.03	1.48	earthquake	7.1	us10004gqp	213.2
2018-01-23	2018.06023	15.13	1.43	-21.97	1.35	-11.22	4.69	earthquake	7.9	us2000cmy3	281.1
2018-11-30	2018.9117	0.59	0.5	-0.7	0.47	1.9	1.58	earthquake	7	ak20419010	418
2020-07-22	2020.55578	0.16	0.5	0.41	0.47	0.79	1.58	earthquake	7.8	at00qdux98	485.5
2020-10-19	2020.79945	0.13	0.5	-2.73	0.47	0.85	1.59	earthquake	7.6	us6000c9hg	571.1
2021-07-29	2021.57221	-5.46	1.42	3.76	1.35	5.58	4.64	earthquake	8.2	ak0219neiszm	431.3
2022-06-06	2022.4271	-0.97	0.5	-0.62	0.47	-3.33	1.58	antenna

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)
2018-01-23	2018.06023	0.22	0.49	0.0001	-2.15	0.48	0.0001	2.5	1.48	0.0001
2021-07-28	2021.57221	1.8	0.49	0.0001	-1.49	0.47	0.0001	-2.12	1.46	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	2006.481862	2006	177	0.55	0.08	-1.01	0.08	-0.18	0.06	-0.46	0.06	-0.06	0.02	-0.15	0.02	-0.05	0.02	0.12	0.02
East	2006.481862	2006	177	-0.16	0.08	-0.01	0.08	0.30	0.05	-0.29	0.05	0.06	0.02	-0.02	0.02	0.02	0.02	-0.02	0.02
Up	2006.481862	2006	177	-0.30	0.25	1.07	0.26	-0.24	0.19	-0.10	0.19	-0.02	0.09	-0.05	0.09	0.03	0.09	0.08	0.09

ITRF2014