Station P304

Last observation

Dec 21, 2024(2 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	9.80	0.51	2024-12-21	-95.63	0.64	2004.328542	2004	121
East	-10.41	0.34	2024-12-21	111.52	0.62	2004.328542	2004	121
Up	-17.90	1.60	2024-12-21	161.05	2.25	2004.328542	2004	121

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)
2004-09-28	2004.74196	0.21	0.66	0.02	0.65	-0.75	2.34	earthquake	6	nc30228270	102.2
2019-07-06	2019.50924	-0.06	0.66	-1.79	0.65	-0.42	2.34	earthquake	7.1	ci38457511	269.8
2020-05-15	2020.36961	0.47	0.67	0.37	0.65	-1.51	2.34	earthquake	6.5	nn00725272	270.3

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	0.40	1.81	1.00	0.50000	2.00000	1	0.000	2.00	2.19
East	0.51	1.94	1.00	0.50000	2.00000	2	0.166	2.00	1.40
Up	1.38	7.01	1.00	0.50000	2.00000	1	0.000	2.00	6.84

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	2004.328542	2004	121	2.14	0.15	-0.87	0.15	0.18	0.09	0.11	0.09	0.06	0.02	-0.01	0.02	0.01	0.02	0.01	0.02
East	2004.328542	2004	121	0.36	0.14	0.42	0.14	0.22	0.10	0.09	0.10	0.14	0.02	0.10	0.02	-0.03	0.02	0.05	0.02
Up	2004.328542	2004	121	2.51	0.51	-2.81	0.51	0.08	0.30	0.54	0.30	0.02	0.07	-0.02	0.07	0.34	0.07	-0.04	0.07

ITRF2014