Station AV39

Last observation

Nov 16, 2024(3 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	1.42	0.23	2024-11-16	4.45	0.48	2008.640657	2008	235
East	-2.67	0.24	2024-11-16	12.57	0.45	2008.640657	2008	235
Up	3.11	0.52	2024-11-16	-4.78	1.40	2008.640657	2008	235

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)
2009-08-11	2009.6078	-2.42	0.49	-1.64	0.47	-2.1	1.49	antenna
2011-07-13	2011.52841	-11.19	0.96	1.21	0.97	-7.36	2.39	antenna
2014-06-23	2014.47365	1.36	0.66	0.32	0.61	3.03	2.36	earthquake	7.9	usc000rki5	1032.3
2014-07-03	2014.50103	-7.23	0.66	-1.07	0.62	-10.68	2.36	antenna
2018-01-23	2018.06023	-3.82	0.9	-5.98	0.9	-8.96	2.31	earthquake	7.9	us2000cmy3	946.2
2020-07-22	2020.55578	24.62	3.72	1.91	3.48	40.76	12.32	earthquake	7.8	at00qdux98	351.9
2020-08-21	2020.63792	24.62	3.72	1.91	3.48	40.76	12.32	antenna
2020-10-19	2020.79945	-3.82	1.86	-0.54	1.72	-13.64	6.65	earthquake	7.6	us6000c9hg	280.8
2021-07-29	2021.57221	-12.82	1.58	-6.92	1.43	-20.17	5.06	earthquake	8.2	ak0219neiszm	397.3
2023-07-16	2023.53662	-10.56	0.75	7.02	0.73	-11.93	2.07	earthquake	7.2	us7000kg30	212.7

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

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)
2020-07-22	2020.55578	-16.66	2.29	0.0001	3.13	2.15	0.0001	-27.26	7.57	0.0001
2020-10-19	2020.79945	3.73	0.82	0.0001	-1.21	0.76	0.0001	7.24	2.89	0.0001
2021-07-28	2021.57221	3.07	0.59	0.0001	3.62	0.54	0.0001	7.9	1.83	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	2008.640657	2008	235	-0.69	0.10	0.07	0.10	-0.30	0.07	-0.06	0.07	-0.16	0.03	0.22	0.03	-0.14	0.03	0.09	0.03
East	2008.640657	2008	235	-0.35	0.10	-0.71	0.10	-0.52	0.06	0.52	0.06	0.01	0.03	-0.08	0.03	0.06	0.03	0.18	0.03
Up	2008.640657	2008	235	-1.03	0.32	0.32	0.32	-0.84	0.23	-0.61	0.23	-0.01	0.11	0.40	0.11	0.32	0.11	-0.14	0.11

ITRF2014