Station WHFG

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	10.81	0.28	2024-12-23	-48.68	0.48	2015.607803	2015	223
East	-10.21	0.29	2024-12-23	74.89	0.46	2015.607803	2015	223
Up	-2.88	0.60	2024-12-23	13.19	1.41	2015.607803	2015	223

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)
2019-07-04	2019.50376	7.06	6.74	2.1	6.38	-45.97	22.71	earthquake	6.4	ci38443183	76.6
2019-07-06	2019.50924	-7.14	4.67	-37.54	4.4	24.24	16.63	earthquake	7.1	ci38457511	68
2020-05-15	2020.36961	0.22	0.58	0.63	0.54	1.4	2.02	earthquake	6.5	nn00725272	276.7
2020-06-04	2020.42437	-0.55	0.62	-1.44	0.57	2.97	2.22	earthquake	5.5	ci39462536	84.1
2020-06-24	2020.47912	0.48	0.58	0.33	0.53	0.5	2	earthquake	5.8	ci39493944	90.1

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)
2019-07-03	2019.50376	-3.35	4.59	0.0001	-3.99	4.34	0.0001	28.96	15.45	0.0001
2019-07-05	2019.50924	3.52	3.93	0.0001	-0.16	3.7	0.0001	-25.03	13.57	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	2015.607803	2015	223	-1.17	0.12	-1.00	0.12	0.04	0.08	-0.19	0.08	0.03	0.04	-0.07	0.04	-0.03	0.04	0.00	0.04
East	2015.607803	2015	223	-0.44	0.11	0.00	0.11	-0.09	0.07	-0.35	0.07	0.17	0.03	0.01	0.03	0.06	0.03	-0.02	0.03
Up	2015.607803	2015	223	-0.45	0.37	0.82	0.36	-1.01	0.27	-0.24	0.27	0.03	0.13	0.08	0.13	-0.08	0.13	-0.27	0.13

ITRF2014