Station P685

Last observation

Dec 18, 2024(4 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	-1.80	0.15	2024-12-18	15.01	0.47	2007.867899	2007	318
East	-1.18	0.17	2024-12-18	12.62	0.45	2007.867899	2007	318
Up	-1.16	0.27	2024-12-18	7.76	1.36	2007.867899	2007	318

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)
2018-07-20	2018.54757	1.27	0.49	-4.55	0.47	0.76	1.47	antenna
2020-03-31	2020.24641	0.88	0.49	-0.4	0.47	0.76	1.45	earthquake	6.5	us70008jr5	267.4

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

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	2007.867899	2007	318	-0.62	0.08	0.77	0.08	0.19	0.06	0.04	0.06	-0.02	0.03	0.06	0.03	-0.01	0.02	-0.04	0.02
East	2007.867899	2007	318	-0.19	0.08	0.35	0.08	0.13	0.05	0.27	0.05	-0.20	0.02	0.04	0.02	-0.05	0.02	0.04	0.02
Up	2007.867899	2007	318	2.44	0.26	-0.92	0.26	0.21	0.20	-0.51	0.20	-0.04	0.09	-0.03	0.09	0.20	0.09	0.34	0.09

ITRF2014