Station AV04

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)
2006-09-04	2006.67351	26.75	1.07	-34.96	1.05	-45.99	2.95	antenna
2008-09-22	2008.72553	3.31	0.5	1.24	0.47	-3.7	1.56	antenna
2016-01-24	2016.06297	32.72	6.17	16.08	6.18	11.42	16.19	earthquake	7.1	us10004gqp	30.6
2018-01-23	2018.06023	-17.97	1.47	-2.05	1.38	22.88	4.86	earthquake	7.9	us2000cmy3	452.6
2018-11-30	2018.9117	-40.62	0.51	6.08	0.47	35.83	1.6	earthquake	7	ak20419010	292.4
2020-07-22	2020.55578	-6.04	0.5	-6.83	0.47	9.17	1.6	earthquake	7.8	at00qdux98	571.3
2020-10-19	2020.79945	-22.88	0.5	-2.84	0.47	28.14	1.61	earthquake	7.6	us6000c9hg	649.5
2021-07-29	2021.57221	-27.21	1.55	-12.08	1.44	47.8	5.32	earthquake	8.2	ak0219neiszm	521.4

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)
2001-07-27	2001.56947	-180.82	9.68	0.0001	-189.16	9.88	0.0001	315.51	24.14	0.0001
2016-01-24	2016.06297	-6.8	1.68	0.0001	-2.51	1.69	0.0001	-4.16	4.3	0.0001
2018-01-23	2018.06023	11.39	0.52	0.0001	-0.56	0.5	0.0001	-6.14	1.61	0.0001
2021-07-28	2021.57221	13.49	0.55	0.0001	4.84	0.52	0.0001	-21.18	1.78	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	2004.689938	2004	253	23.22	0.09	-6.52	0.09	-7.72	0.06	-0.27	0.06					0.11	0.03	-0.19	0.03
East	2004.689938	2004	253	20.41	0.09	-7.51	0.09	-5.49	0.06	1.12	0.06					-0.13	0.02	-0.16	0.02
Up	2004.689938	2004	253	-37.08	0.29	16.97	0.29	10.65	0.21	-1.71	0.21					-0.30	0.10	0.17	0.10

ITRF2008