GH {RSEIS}R Documentation

Earthquake Seismic Data

Description

Example of seismic data structure. Geothermal Earthquake.

Usage

 data(GH) 

Format

List, consisting of:

JSTR
list of digital seismic data traces
STNS
vector of stations
dir
directory
ifile
original file names
COMPS
Component names, V N E, e.g.
OCOMPS
Old Component names
dt
vector of delta-t, sampling time intervals
KNOTES
Notes for plotting on panels
info
List, detailed information about traces, including
dat
not used
nn
Number of traces
ex
time axis for plotting
pcol
colors for plotting
ok
which traces are okay
wintim
window span time, seconds
ftime
alphanumeric time stamp
pickfile
pickfile, see below
velfile
velocity model list
stafile
station information list including lat, lon, z
aname
source name for loading
UWFILEID
event ID number

The info list consists of:

fn
file name
name
identification name
yr
start year
jd
start julianday
mo
month
dom
day of month
hr
hour
mi
minute
sec
second
msec
millisecond
dt
delta-t
t1
time 1
t2
time 2
off
offset
n1
number of samples
n2
not used
n3
not used
n
number of samples

The pickfile consists of:

LOC
list(yr, jd, mo, dom, hr, mi, sec, lat, lon, z, mag, gap, delta , rms, hozerr)
MC
list(az1, dip1, az2, dip2, dir, rake1, dipaz1, rake2, dipaz2, F=list(az, dip), G=list(az, dip), U=list(az, dip), V=list(az, dip), P=list(az, dip), T=list(az,dip),sense,M=list( az1, d1, az2, d2, uaz, ud, vaz, vd, paz, pd , taz, td), UP=TRUE, icol=1, ileg, fcol='red', CNVRG, LIM =c(0,0,0,0))
STAS
list(tag, name, comp, c3, phase, sec, err, pol, flg , res)
LIP
vector, length=6
H
list(yr,mo,dom,hr,mi,sec,lat,lon,z,mag)
N
name card
E
list(rms,meanres,sdres,sdmean,sswres,ndf,fixflgs,sterrx,sterry,sterrz,sterrt,mag,sterrmag)
filename
file name
PICKER
Name of Picker
UWFILEID
numeric ID
winID1
win format ID
comments
Vector of comments
OSTAS
Old station names

References

Lees, J.M., 2004. Scattering from a fault interface in the Coso geothermal field. Journal of Volcanology and Geothermal Research, 130(1-2): 61-75.

Examples

data(GH)
## maybe str(GH) ; plot(GH) ...

[Package RSEIS version 2.1-4 Index]