Station EYAC

Last observation

Aug 8, 2023

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	27.67	0.17	2023-08-08	-242.10	0.47	2005.520192	2005	191
East	-11.46	0.18	2023-08-08	98.59	0.45	2005.520192	2005	191
Up	2.52	0.32	2023-08-08	-17.82	1.36	2005.520192	2005	191

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)
2008-07-09	2008.52019	-1.04	0.72	-1.1	0.67	-1.77	2.59	antenna
2008-08-08	2008.60233	-0.72	0.82	1.16	0.76	-3.24	2.79	antenna
2016-01-24	2016.06297	0.29	0.49	1	0.46	2.12	1.46	earthquake	7.1	us10004gqp	437.6
2018-01-23	2018.06023	-10.45	0.49	-6.3	0.46	1.36	1.46	earthquake	7.9	us2000cmy3	544.1
2018-11-30	2018.9117	-2.21	0.49	1.6	0.46	-0.01	1.46	earthquake	7	ak20419010	242.1
2020-07-22	2020.55578	-0.92	0.49	-0.12	0.46	1.79	1.48	earthquake	7.8	at00qdux98	973.4
2021-07-29	2021.57221	-0.47	0.5	-0.6	0.47	0.34	1.57	earthquake	8.2	ak0219neiszm	919.6
2022-08-26	2022.64887	1.77	0.89	-0.66	0.9	-0.62	2.24	antenna

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	2005.520192	2005	191	-0.50	0.09	-1.82	0.09	0.44	0.06	-0.26	0.06	-0.28	0.03	0.00	0.03	0.16	0.03	0.14	0.03
East	2005.520192	2005	191	0.20	0.08	-1.17	0.08	0.09	0.06	-0.30	0.06	-0.08	0.02	-0.07	0.02	-0.05	0.02	-0.01	0.02
Up	2005.520192	2005	191	-0.83	0.27	6.02	0.28	-1.41	0.20	0.88	0.20	-0.30	0.10	-0.10	0.10	0.10	0.09	-0.02	0.10

ITRF2014