Station AC16

Last observation

Apr 20, 2022

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	40.85	0.21	2022-04-20	-259.72	0.48	2007.54757	2007	201
East	-16.52	0.23	2022-04-20	106.56	0.45	2007.54757	2007	201
Up	2.74	0.43	2022-04-20	-7.34	1.39	2007.54757	2007	201

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)
2009-11-08	2009.85147	-1.41	0.49	-2.11	0.47	-7.93	1.5	antenna
2015-09-25	2015.73101	-1.59	0.83	3.86	0.8	8.94	2.46	antenna
2015-11-10	2015.85695	-2.35	0.64	2.39	0.59	8.01	2.14	antenna
2016-01-24	2016.06297	2.03	0.51	-2.78	0.48	-21.86	1.65	earthquake	7.1	us10004gqp	311.5
2018-01-23	2018.06023	-9.81	0.49	-7.67	0.47	-17.37	1.48	earthquake	7.9	us2000cmy3	506.6
2018-11-30	2018.9117	2.32	1.44	3.1	1.37	-4.83	4.7	earthquake	7	ak20419010	133.8
2020-07-22	2020.55578	2.28	0.49	-6.88	0.5	-8.48	1.41	earthquake	7.8	at00qdux98	868.5
2020-10-19	2020.79945	2.28	0.49	-6.88	0.5	-8.48	1.41	earthquake	7.6	us6000c9hg	951.7
2021-07-29	2021.57221	-21.53	1.13	44.84	1.14	172.21	3.09	earthquake	8.2	ak0219neiszm	815.4

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)
2018-11-29	2018.9117	-3.1	0.51	0.0001	0.65	0.5	0.0001	5.07	1.47	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	2007.54757	2007	201	-0.09	0.10	-0.24	0.10	0.42	0.07	-1.21	0.07	-0.06	0.03	0.23	0.03	0.07	0.03	-0.14	0.03
East	2007.54757	2007	201	-1.66	0.09	-4.31	0.10	-2.76	0.07	1.05	0.07	-0.19	0.03	0.11	0.03	0.07	0.03	0.00	0.03
Up	2007.54757	2007	201	-4.44	0.31	-15.55	0.32	-13.36	0.24	10.89	0.24	-0.82	0.11	1.35	0.11	-0.52	0.11	-0.21	0.11

ITRF2014