Station SPMS

Last observation

Nov 2, 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	24.31	0.11	2024-11-02	-320.38	3.70	2000	2000	1
East	-24.35	0.06	2024-11-02	308.94	2.38	2000	2000	1
Up	-1.00	0.29	2024-11-02	-0.26	10.06	2000	2000	1

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)
2009-05-28	2009.40246	-1.67	0.52	-0.42	0.41	6.19	1.5	antenna
2010-04-04	2010.25462	-1.05	0.5	-2.38	0.41	0.74	1.45	earthquake	7.2	ci14607652	304.3
2019-07-04	2019.50376	3.36	1.06	2.87	1.15	-2.53	3.4	earthquake	6.4	ci38443183	192.5
2019-07-06	2019.50924	1.91	1.06	-2.38	1.15	3.03	3.4	earthquake	7.1	ci38457511	198

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	0.42	2.64	1.00	0.50000	2.00000	3	0.203	2.00	0.22
East	0.67	1.81	1.00	0.50000	2.00000	1	0.168	2.00	0.00
Up	1.55	7.77	1.00	0.50000	2.00000	1	0.000	2.00	0.43

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)
1999-10-15	1999.7885	3.25	1.02	0.0001	-1.55	0.6	0.0001	1.48	2.72	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	2000	2000	1	0.40	0.11	0.93	0.11	-0.07	0.08	-0.06	0.08	0.08	0.02	0.02	0.02	-0.02	0.02	0.02	0.02
East	2000	2000	1	0.77	0.08	0.35	0.08	0.12	0.07	-0.13	0.07	0.05	0.02	0.15	0.02	-0.06	0.02	0.07	0.02
Up	2000	2000	1	0.35	0.23	0.70	0.24	-0.14	0.17	-1.13	0.17	0.03	0.06	-0.02	0.06	0.17	0.06	0.07	0.06

ITRF2014