Station AC57

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)
2016-01-24	2016.06297	0.03	0.5	1.62	0.47	1.28	1.52	earthquake	7.1	us10004gqp	454.1
2018-01-23	2018.06023	-9.44	0.5	-3.98	0.47	-2.35	1.52	earthquake	7.9	us2000cmy3	605.2
2018-11-30	2018.9117	-1.71	0.5	3.59	0.47	3.58	1.52	earthquake	7	ak20419010	225.4
2020-07-22	2020.55578	-0.42	0.5	0.77	0.47	2.17	1.51	earthquake	7.8	at00qdux98	1011.4
2021-07-29	2021.57221	0.14	0.67	0.59	0.64	-3.6	1.96	earthquake	8.2	ak0219neiszm	958

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)
2002-11-02	2002.83778	37.59	8.8	0.0001	33.4	9.31	0.0001	-36.69	19.38	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	2006.473648	2006	174	0.36	0.09	0.63	0.09	0.17	0.06	0.11	0.06					-0.08	0.03	-0.03	0.03
East	2006.473648	2006	174	-0.09	0.08	-0.94	0.09	0.01	0.06	-0.38	0.06					0.04	0.02	-0.01	0.02
Up	2006.473648	2006	174	-6.71	0.28	7.42	0.28	-1.87	0.21	-0.13	0.21					-0.04	0.10	0.13	0.10

ITRF2008