Station AC72

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	-1.98	0.17	2024-12-16	20.07	0.47	2007.454483	2007	167
East	4.70	0.19	2024-12-16	-39.41	0.45	2007.454483	2007	167
Up	5.05	0.30	2024-12-16	-36.22	1.37	2007.454483	2007	167

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)
2018-01-23	2018.06023	-2.29	0.49	-1.79	0.46	-1.6	1.46	earthquake	7.9	us2000cmy3	875.4
2018-11-30	2018.9117	-1.02	0.49	-0.07	0.46	1.02	1.47	earthquake	7	ak20419010	336.2
2020-07-22	2020.55578	1.8	0.63	-1.86	0.66	-4	1.36	earthquake	7.8	at00qdux98	1197.1
2021-07-29	2021.57221	1.8	0.63	-1.86	0.66	-4	1.36	earthquake	8.2	ak0219neiszm	1146.7

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

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	2007.454483	2007	167	-0.57	0.09	-0.51	0.09	0.08	0.06	-0.01	0.06	-0.08	0.03	-0.10	0.03	-0.09	0.03	0.11	0.03
East	2007.454483	2007	167	0.28	0.08	-0.25	0.08	0.31	0.06	-0.18	0.06	0.03	0.02	-0.03	0.02	0.05	0.02	-0.04	0.02
Up	2007.454483	2007	167	-0.41	0.28	3.02	0.28	-0.98	0.21	-0.36	0.21	0.09	0.10	-0.17	0.10	0.06	0.10	-0.15	0.10

ITRF2014