USGS Professonal Paper 1096 - IRIS

ARIZONA
Pasadena. G'-.
GENERAL INFORMATION
Operated by:
Address:
Telephone:
U.S. Geological Survey and
California Institute of Technology
U.S. Geological Survey
Seismological lahoratory
California Institute of Technology
Pasadena, CA 91125
213-795-2956
Address to obtain records:
SITE INFORMATION
As above.
Code
Station name
LatItude LongItude Elev
(deg N. ) (deg W. ) (meters)
Date
opened
Date
closed
Foundation; geologic age
BPK Black Peak-------------- 34.1247 114.2097 504
4/74 11/09/76 Basaltic rocks; Quaternary.
(FTH) Fortuna Mine------------ 32.5548 114.3335 263
7/75
Open--
Gneiss; Mesozoic.
(16A) I.aguna lIouulaius 32.7597 114.4928 68
7/75
do
Ifonmariue sediments,
Tertiary.
eualerUalji or
(SLU) San Luis---------------- 32.5017 114.7773 41
(YiID) Yuma ~eserl------------- 32.3547 ll4.5441 ,6
INSTRUMENTATION
Seismometer
Code Type Component
3/73
1,,5
--do--
--do--
Type
recording
Alluvium; Qua te rna ry .
flonIDatifie sedillients, Quatetllaty.
Magnification
Remarks
at T o
All stations flark L-4C ______ nnn
z
1.0 0.062
Develocordef
Bd. 12,000 K
(FTM): 6000 K
(LGA): 3000 K
(SI.U): 24,QQQ K
(YHD): 6000 K
All magnifications at
0.071 sec. Telemetered
to Pasadena.
Timing s,st.em.
\A1\'B radio sigual reeehed aud recorded as the top and bottolll photographic traces.
System response curves; See figure 2, p. 363.
SHdRT HISTORY
BPK was removed because of access-road maintenance costs.
CIT and the USGS publish frequent reports on the data collected through their several networks.
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