USGS Professonal Paper 1096 - IRIS

WASHINGTON--Continued
Seattle, WA
INSTRUMENTATION
Seismometer Galvo Type Magnification
Code Type COl!!J:!onent T {sec} T {sec} recording ,t T
g a
"
Most stations Mark L-4C------------ Z 1 .0 16 H, 16-nun film BFW: 150 K ---
BLN: 115 K
CPW; 135 K
FMW: 100 K
GMW: 145 K
GSM: 165 K
JCW: 120 K
MCW: 70 K
RMW, 190 K
SHW: 45 K
SPW; 65 K
CBW, VTG --do----------------- Z,NS 1.0 16 H, 16-nun film --- ---
CHW: Geotech S-13--------- Z 1.0 --- --- 60 K ---
Remarks
LON: Benioff-------------- Z,NS,EW 1.0 .75 Photo paper 100 K WWSSN.
Sprengnether--------- Z,NS,EW 15.0 100.0 --do------- 1.5 K Do.
SEA. Boscn-Omorl---------- NS,Ew 15.0 --- Smoked paper --- ---
TUM, Geotech 8-13--------- Z,NS,EW 1.0 .75 Photo paper 40 K ---
Geotech SL-210------- Z 15.0 90.0 --do-------- 1 K ---
Geotech SI-220------- NS,EW 15.0 90.0 --do-------- 850 ---
Timing system; Most stations u" an Astrodata Time Code Generator ,nd WWVB. LON uses the WWSSN standard. TUM Ilses , Simplex
quartz crystal clock.
System response curves: LON--see figure 1, p. 363. All Mark L-4C ,nd Geotech S-13 instruments except TUM--see figure 11, p. 366.
TUM--available from station.
SHORT HISTORY
, originally run hy the USG8 out
"
BDG, eRF , ETP, GBL, MOW, ODS, OTH, RSW, SYR, VTG, WAll, WGW, WIW, ,nd WRD make up the Hanford network. This network
supported by U.S. Department
."'
of Energy ,nd .. its Menlo Park office, until the enti re network
was transferred to the OnlVerSl.ty l.n June 19/5.
LON began operating the WWS8N equipment on August 22, 1962.
SEA records from 1906 to 1931 ore not ,t the University. Records since 1931 on file.
The statiens ill the Pugcl Sound area are suwolLed by HSGS gIanLs. '"
Publications from the University include , quarterly hypocenter listing 'nd .. annual hypocenter listing.
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