USGS Professonal Paper 1096 - IRIS

COLORADO
Denvet. CO
GEJIERAL INFORMATION
Operated by:
Address:
Regis College
Regis College
50th and Lowell
Eenvet, CO 60221
Telephone: 303-433-8471
Address to obtain records:
A" above.
Batil 196' • BEl) £eEBI'Eis I itt! eart.lul'13kes an them I'@I'@ Fl'eSer·ed
SITE INFORMATION
Code
Station n.~
La titude Longitude Elev Date Date
(deg N. ) (deg w. ) (meters) opened closed
Foundation; geologic
age
DEN Denver------------------ 39.7917 105.0333 1655 8/1909 Open-- Partially consolidated shale
(Denver Formation} .
INSTRUMENTATION
Seismometer Galvo Type Magnification
Code Type Component T (sec) T (sec) recording .t T
0 g 0
Remarks
DEN Sprengnether--------- Z,NS,EW 1 .0 1.0 Photo paper 40 K Also recorded on Helicorder
(magnification
80 K) .
1(' Bo.
--00----------------- Z,NS,EI'J 25.0 30.0 --do------- •
Timing system:
Sprengnether TS-l00 Chronometer timed with WWVB.
System response curves:
Not available.
SIt()RT lIISTOK.
The Jesuit Seismological Association started DEN tn 1909 with •
Wiechert. Long-period Sprengnethers were installed in
1946 (20-sec NS,EW). Newer models (long- .nd short-period) were installed in 1963. The station contributes data to the
JOf'suit Seismological Association Report.
,
103