USGS Professonal Paper 1096 - IRIS

VIRGINIA
Blacksburg, vA
GENERAL INFORMATION
Operated by:
Address:
Telephone;
Address to obta~n
SITE HW8RHA'fI8If
records:
Virginia Polytechnic Institute .nd State University
Department of Geological Sciences
Virginia Polytechnic Institute .nd State University
Blacksburg, vA 24e61
703-951-6521 (Department)
951-6729 (Station Director)
A, above. WWSSN records:
National Geophysical .nd Solar-Terrestrial Data Center
NOAA/EDS, D62
Boulder, CO 80302
,
Code
Station
name
Latitude Longitude Elev Date Date
(deg N.) (deg W.2 (meters) o~ened closed
Foundation; geologic
.ge
BAV Blacksburg-------------- 37.2221 80.4250 622 9/73 Open-- Dolomi te; Cambrian.
BLA --do-------------------- 37.2113 80.4210 634 9/04/62 Open-- Dolomite; Cambrian.
eLT Charlottesville--------- 38.0333 78.5167 ISO 1973 1973 Metamorphics; Precambrian.
KMV Keen Mountain----------- 37.2083 82.0258 500 1969 1969 ClastICS; PennsylvanIan.
NAV Narro~s----------------- 37.3167 80.7931 610 1968 1968 Shale; Ordovician.
PUV Pulaski----------------- 37.0889 80.8167 640 1968 1968 Shale; Devonian.
INSTRUMENTATION
Seismometer Galvo lype MagnHlcatlon
Code Type Component To (sec) Tg(sec) recording
" T 0
Remarks
BAV: Geotech S-13--------- Z 1.0 --- Pen "d ink 2.6 K ---
BLA: Benioff-------------- Z,NS,EW 1.0 .75 Photo paper 50 K, 100 K WWSSN.
Sprengnether--------- Z,NS,EW 15 0 100. 0 --rlo------- 1.5 K Do.
Johnson-Matheson----- Z 1.0 --- Pen and Ink 36 K Non-standard illsLrwlleilL.
Telemetered to GLO.
CLT, KMV,
NAV, PUV: Ranger--------------- 2 1.0 --- Magnetic tape, --- Temporary stations; recsmoKeo
paper. ords 00 lOllger ~Xlst .
Timing system: BLA uses • WWSSN standard system .
System response curves:
Avai lable from station.
SHURI HISIORi
BAV records .ce oot archived, except f" ones containing special-interesl events.
BLA .. , established with the WWSSN equipment in 1962.
CLT, KMV, NAV, >od PUV ,",'ere established only ., temporary stations foe the purpose of short-term microearthquake surveys.
The magnetic tapes .nd smoked-paper seismograms that recorded their data were not retained.
Nine additional installatiolls ace planned foe mid-I978.
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