Station AC67

Last observation

Unknown

Closest stations

5 closest stations in all networks

NA-fixed

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

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	-0.99	0.5	-0.83	0.47	-0.07	1.54	earthquake	6.7	ak11610140	276.3
2016-01-24	2016.06297	2.94	0.5	0.92	0.47	-0.6	1.56	earthquake	7.1	us10004gqp	213.2
2018-01-23	2018.06023	16.39	1.47	-22.47	1.38	-18.77	5.03	earthquake	7.9	us2000cmy3	281.1
2018-11-30	2018.9117	1.12	0.5	-0.56	0.47	2.9	1.63	earthquake	7	ak20419010	418
2020-07-22	2020.55578	0.9	0.82	1.02	0.79	3.17	2.57	earthquake	7.8	at00qdux98	485.5
2020-10-19	2020.79945	0.36	0.56	-2.8	0.52	0.46	1.92	earthquake	7.6	us6000c9hg	571.1
2021-07-29	2021.57221	-3.42	1.55	3.85	1.44	1.5	5.36	earthquake	8.2	ak0219neiszm	431.3

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)
1999-12-05	1999.92813	-55.42	21.97	0.0001	5.54	22.97	0.0001	3715.9	1407.54	0.0001
2001-01-10	2001.02464	59.88	32.41	0.0001	8.59	33.91	0.0001	-2964.72	1133.47	0.0001
2018-01-23	2018.06023	-0.39	0.52	0.0001	-1.82	0.5	0.0001	5.15	1.69	0.0001
2021-07-28	2021.57221	1.16	0.55	0.0001	-1.46	0.52	0.0001	-0.82	1.82	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	0.96	0.09	-0.51	0.09	-0.17	0.06	-0.39	0.06					-0.05	0.03	0.11	0.03
East	2006.481862	2006	177	-0.37	0.09	0.06	0.09	0.27	0.06	-0.21	0.06					-0.02	0.02	0.01	0.02
Up	2006.481862	2006	177	-1.14	0.28	1.19	0.29	-0.59	0.21	-0.26	0.21					0.06	0.10	0.22	0.10

ITRF2008