Station SOMT

Last observation

Nov 20, 2024(2 days ago)

Closest stations

5 closest stations in all 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	29.42	0.17	2024-11-20	-371.01	0.51	2000.898015	2000	329
East	-26.95	0.08	2024-11-20	340.19	0.41	2000.898015	2000	329
Up	-1.14	0.24	2024-11-20	13.95	1.26	2000.898015	2000	329

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)
2003-12-23	2003.97467	0.42	0.53	-2.02	0.45	-0.87	1.38	earthquake	6.6	nc21323712	240.9
2005-02-18	2005.13142	1.45	0.51	-0.25	0.45	-2.32	1.37	other
2006-06-23	2006.47365	0.44	0.57	-6.25	0.47	1.29	1.45	antenna
2010-04-04	2010.25462	0.16	0.53	-2.05	0.46	0.43	1.39	earthquake	7.2	ci14607652	417.2
2015-01-23	2015.06023	-5.11	0.53	8.13	0.46	1.99	1.39	antenna
2019-07-04	2019.50376	1.3	1.02	1.71	1.11	-1.17	3.38	earthquake	6.4	ci38443183	209.4
2019-07-06	2019.50924	0.79	1.55	-4.56	1.48	1.79	4.53	earthquake	7.1	ci38457511	208.5

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	0.49	2.01	1.00	0.50000	2.00000	2	0.128	2.00	0.65
East	0.48	2.59	1.00	0.50000	2.00000	2	0.156	2.00	0.01
Up	1.38	8.20	1.00	0.50000	2.00000	1	0.000	2.00	0.09

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)
2019-07-05	2019.50924	-0.37	0.51	0.0001	0.86	0.39	0.0001	-0.68	1.21	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	2000.898015	2000	329	-0.18	0.10	1.29	0.10	0.07	0.07	-0.04	0.07	0.04	0.02	-0.05	0.02	0.00	0.02	0.01	0.02
East	2000.898015	2000	329	0.38	0.10	0.87	0.10	0.17	0.08	0.19	0.08	0.17	0.02	-0.03	0.02	-0.01	0.02	0.08	0.02
Up	2000.898015	2000	329	0.42	0.24	0.51	0.24	0.81	0.17	-0.28	0.17	0.04	0.06	0.10	0.06	0.24	0.06	-0.04	0.06

ITRF2014