Station PMHS

Last observation

Oct 29, 2007(7 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	27.49	0.12	2007-10-29	-129.71	0.38	1998.594114	1998	218
East	-27.02	0.14	2007-10-29	125.02	0.45	1998.594114	1998	218
Up	-3.66	1.10	2007-10-29	26.89	1.77	1998.594114	1998	218

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	2.9	1.04	-0.28	1.18	0.87	3.32	earthquake	7.1	ci9108652	190.5
2007-01-31	2007.08214	-2.56	0.45	0.82	0.53	0.15	1.84	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	0.65	1.85	1.00	0.50000	2.00000	1	0.187	2.00	0.01
East	0.69	2.32	1.00	0.50000	2.00000	1	0.175	2.00	0.00
Up	1.83	6.85	1.00	0.50000	2.00000	1	0.000	2.00	2.41

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)
1999-10-16	1999.79124	-0.45	0.32	0.0001	0.3	0.36	0.0001	-1.46	1.24	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	1998.594114	1998	218	-2.91	0.14	-0.94	0.15	-0.49	0.12	0.25	0.12	0.01	0.03	-0.05	0.03	0.10	0.03	-0.07	0.03
East	1998.594114	1998	218	-0.95	0.16	1.10	0.16	-0.01	0.13	0.17	0.13	0.11	0.04	-0.01	0.04	0.02	0.04	0.09	0.04
Up	1998.594114	1998	218	-5.72	0.47	-5.03	0.47	-2.34	0.30	-1.09	0.31	0.09	0.10	0.10	0.10	0.00	0.10	-0.03	0.10

ITRF2014