Station ALAM

Last observation

Nov 25, 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	0.76	0.08	2024-11-25	-5.03	0.46	1999.44627	1999	164
East	-2.56	0.04	2024-11-25	35.36	0.44	1999.44627	1999	164
Up	-0.43	0.29	2024-11-25	4.34	1.66	1999.44627	1999	164

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)
1999-10-16	1999.7885	-2.3	0.53	-0.92	0.59	1.17	1.89	earthquake	7.1	ci9108652	321.6
1999-12-22	1999.97194	-1.34	0.5	-0.87	0.52	3.04	1.8	antenna
2010-04-04	2010.25462	-1.46	0.47	-0.73	0.39	0.11	1.69	earthquake	7.2	ci14607652	562.7
2019-07-06	2019.50924	-0.37	0.75	-1.68	0.41	-5.99	2.64	earthquake	7.1	ci38457511	281.4
2019-12-20	2019.96646	-0.37	0.75	-1.68	0.41	-5.99	2.64	antenna
2020-05-15	2020.36961	-0.41	0.48	0.1	0.44	1.75	1.73	earthquake	6.5	nn00725272	255.4

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	0.51	2.65	1.00	0.50000	2.00000	1	0.000	2.00	0.00
East	0.92	1.23	1.00	0.50000	2.00000	1	0.225	2.00	0.00
Up	1.96	9.33	1.00	0.50000	2.00000	1	0.000	2.00	0.01

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	1999.44627	1999	164	-0.29	0.09	-0.82	0.09	-0.14	0.07	-0.31	0.07	-0.05	0.03	-0.08	0.03	0.03	0.02	0.05	0.02
East	1999.44627	1999	164	-0.73	0.11	0.01	0.11	0.11	0.09	0.09	0.09	0.06	0.03	-0.07	0.03	-0.02	0.03	0.07	0.03
Up	1999.44627	1999	164	1.11	0.33	0.28	0.34	0.25	0.24	-1.23	0.24	0.04	0.09	-0.06	0.09	0.15	0.09	-0.10	0.09

ITRF2014