Station HNPS

Last observation

Dec 23, 2024(3 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	2.97	0.17	2024-12-23	-17.14	4.68	2000	2000	1
East	-4.81	0.18	2024-12-23	48.10	4.72	2000	2000	1
Up	-0.76	0.34	2024-12-23	10.79	11.86	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)
2000-09-15	2000.70637	-1.4	0.53	-1.7	0.49	-5.66	1.72	antenna
2010-04-04	2010.25462	-1.7	1.41	-1.68	1.34	-6.74	4.46	earthquake	7.2	ci14607652	160.6
2012-08-26	2012.65161	-1.34	0.48	0.16	0.46	0.82	1.45	earthquake	5.4	ci15200401	76.6
2019-07-06	2019.50924	-0.37	0.48	-0.31	0.46	-0.38	1.43	earthquake	7.1	ci38457511	291.2

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

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	-1.37	1.33	0.0001	3.11	1.35	0.0001	-0.08	3.25	0.0001
2010-04-03	2010.25462	-4.21	0.48	0.0001	0.83	0.47	0.0001	3.31	1.38	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	0.97	0.07	0.83	0.07	0.03	0.05	-0.09	0.05	0.13	0.02	0.02	0.02	-0.03	0.02	-0.03	0.02
East	2000	2000	1	0.69	0.07	0.19	0.07	0.19	0.05	-0.04	0.05	0.05	0.02	0.15	0.02	-0.07	0.02	0.07	0.02
Up	2000	2000	1	-1.12	0.22	0.82	0.22	-0.33	0.16	-1.05	0.17	0.08	0.08	0.06	0.08	0.19	0.08	0.20	0.08

ITRF2014