USGS Professonal Paper 1096 - IRIS

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INDIANA
Bio0ll1ngton, IN
GENERAL INFORMATION
Operated by:
Address:
University of Indiana
Department of Geology
University of Indiana
1005 E. 10th Street
Bloomington, IN 47401
Telephone: 812-337-1008
Address to obta1n records:
A, above.
SITE INFORMATlON
eode
Statioll
name
Latitude Longitude Elev Date Date
(deg N.) (deg W.) (meters) opened closed
Foundation, g""oiogic:
ag""
8LO Bloomington------------- 39.1719 86.5222 230 12/61 Open-- Salem Limestone; Late Mississippian.
INSTRUMENTATION
Seismometer Galvo Tvve Magnification
Code Type Component To(sec) T g (sec) recording at T
0
Relii8zks
8LO Sprengnether--------- Z,NS,EW 15.0 --- Photo paper 1200 ---
Benioff-------------- Z,NS,EW 1.0 --- ---do------ 60 K ---
Timing system:
Oven-controlled tuning fork and digital clock made in the laboratory.
System response curves:
Not available.
SHORT HISTORY
BLO was originally run by Saint Louis University under a U.S. Air Force contract.
Indiana in 1967.
It
."'
taken over by the University of
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