Station AV27

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)
2009-08-11	2009.6078	-7.3	0.65	2.75	0.63	-15.68	1.76	antenna
2014-06-23	2014.47365	-8.24	0.5	7.14	0.47	-4.16	1.52	earthquake	7.9	usc000rki5	979.3
2018-01-23	2018.06023	-26.99	0.53	1.08	0.47	33.04	1.49	earthquake	7.9	us2000cmy3	1000.4
2020-07-22	2020.55578	-41.64	23.49	-257.64	21.55	429.28	84.86	earthquake	7.8	at00qdux98	403.5
2020-10-19	2020.79945	-2.92	2.23	-2.79	2.06	-3.31	8.11	earthquake	7.6	us6000c9hg	328.1

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	12.13	7.08	0.0001	77.37	6.49	0.0001	-135.39	25.57	0.0001
2020-10-19	2020.79945	3.49	1.14	0.0001	-2.51	1.05	0.0001	3.9	4.14	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	2008.588638	2008	216	-4.62	0.11	-3.65	0.11	4.62	0.07	0.84	0.08					-0.13	0.03	-0.10	0.03
East	2008.588638	2008	216	1.94	0.10	-3.35	0.10	-2.20	0.07	0.03	0.07					-0.37	0.03	-0.09	0.03
Up	2008.588638	2008	216	-37.25	0.33	-4.69	0.34	3.31	0.25	-1.25	0.25					0.12	0.12	-0.07	0.12

ITRF2008