Station HIVI

Last observation

Dec 25, 2024(3 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	15.62	0.14	2024-12-25	369.46	1.27	1999.145106	1999	54
East	-11.32	0.16	2024-12-25	347.34	1.19	1999.145106	1999	54
Up	-0.12	0.28	2024-12-25	-300.29	4.70	1999.145106	1999	54

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	-600.74	2.46	-176.69	2.35	313.84	7.69	earthquake	7.1	ci9108652	141.7
2010-04-04	2010.25462	-0.79	0.48	-0.94	0.46	1.85	1.43	earthquake	7.2	ci14607652	359.7
2013-06-15	2013.45175	4.87	0.48	8.19	0.46	-2.74	1.43	antenna
2019-07-04	2019.50376	4.66	1.28	0.77	1.21	-7.06	4.75	earthquake	6.4	ci38443183	108.2
2019-07-06	2019.50924	6.65	1.74	4.08	1.66	3.59	5.97	earthquake	7.1	ci38457511	113
2021-02-12	2021.11499	-0.45	0.49	5.45	0.46	2.66	1.48	antenna

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	-0.35	0.62	0.0001	-2.49	0.6	0.0001	-2.79	1.66	0.0001
2019-07-05	2019.50924	1.84	0.48	0.0001	-1.02	0.47	0.0001	1.85	1.37	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	1999.145106	1999	54	0.53	0.07	-0.08	0.07	0.02	0.05	-0.16	0.05	0.01	0.02	0.04	0.02	-0.01	0.02	-0.03	0.02
East	1999.145106	1999	54	3.19	0.07	-2.25	0.07	-0.61	0.04	0.27	0.04	-0.11	0.02	0.11	0.02	-0.02	0.02	0.07	0.02
Up	1999.145106	1999	54	-1.65	0.22	1.10	0.22	-0.48	0.16	-0.08	0.16	0.00	0.08	0.12	0.08	0.21	0.08	-0.12	0.08

ITRF2014