USGS Professonal Paper 1096 - IRIS

CALIFORNIA
San Diego, CA
GENERAL INfORMATION
Operated by:
Address:
University of California, S.n Diego
Institute of Geophysics .nd Planetary Physics
University of California, S.n Diego
Sail Dil"'go. CA 92tH')
Telephone: 714-452-2890
Address to obtain records:
A, above.
SHE INlLQRM~nQN
Code
Station name
Latitude Longitude Elev Date Date
(deg N. ) (deg W. ) (meters) oQened closed
Foundation; geologic
.ge
(LJC) L, Jolla---------------- 32.8633 117 .2533 8 1927 Open-- Consolidated alluvium; Eocene.
(PFO) Pinyon Flat Observatory- 33.6092 116.4553 1280 3[71 --do-- Granite' Mesozoic.
INSTRUMENTATION
Seismometer Galvo Type Magnification
Code Type Component T (sec) Tg(sec) recording .t T
0 0
Remarks
LJC Pres s - EIo.'ing- - - - - ----- Z,NS,EW 10.0 --- Pen .nd ink-- --- Station run mainly foe
demonstration.
PFO --do----------------- Z,NS,EW 10.0 --- Magnetic tape --- ---
Timing system:
Custom clock checked with IIWV •
System response curves:
Not avalIable.
SHORT HISTORY
LJC Io.'as established by Carnegie Institution of Washington .nd Scripps Institute of Oceanography with two horizontal Wood-
Anderson T s. The station "n under the auspices of C.LT. until May 1952. It was reinstated ot , slightly different location
and currently eun by the University of California, S.n Diego.
" PFO also operates , three-component laser strainmeter, modi fied LaCoste-Romberg gravimeter, superconducting gravimeter,
and se~e[al tiitrnetl"'i's.
91