Station PFLD

Last observation

Oct 28, 2024(8 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	3.45	0.15	2024-10-28	-33.03	0.47	2005.246407	2005	91
East	4.98	0.16	2024-10-28	-43.22	0.45	2005.246407	2005	91
Up	-1.07	0.27	2024-10-28	-35.99	1.36	2005.246407	2005	91

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)
2008-07-17	2008.54209	-1.63	0.49	-3.21	0.47	1.6	1.52	antenna
2009-01-17	2009.04381	2.54	0.61	-0.34	0.59	61.08	1.74	antenna
2016-01-28	2016.07392	-0.53	0.48	-1	0.45	-1.92	1.43	other
2018-02-22	2018.14237	0.03	0.48	0.84	0.45	-3.56	1.42	other

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	2005.246407	2005	91	1.09	0.08	-0.30	0.08	-0.11	0.06	0.07	0.06	0.03	0.02	0.07	0.02	0.00	0.02	-0.05	0.02
East	2005.246407	2005	91	1.05	0.08	-0.55	0.07	-0.13	0.05	0.11	0.05	-0.06	0.02	0.15	0.02	-0.05	0.02	-0.07	0.02
Up	2005.246407	2005	91	-4.29	0.25	-0.36	0.25	1.05	0.19	-0.33	0.18	-0.08	0.09	-0.02	0.09	-0.29	0.09	0.33	0.09

ITRF2014