USGS Professonal Paper 1096 - IRIS

IDAHO
Missoula, MT
GENERAL INFORMATION
Operated by:
Address:
University of Montana
Earthquake Research Laboratory
Geology Department
University of Montana
lIissoula , II'f 59812
Telephone: 406-243-6422 or 243-2341
Address to obtain records:
A, above.
SI'l'E INFQRMA'I'IQN
Code
Station name
Latitude Longitude Elev Date Date
(deg N.) (deg W.) (meters) opened closed
Foundation; geologic age
BHI Bertha Hill------------- 46.7640 115.7920 1652 10/71 1/14/76 Belt Supergroup (argillite, quartzite,
and limestone); Precambrian.
DEI Dent-------------------- 46.6400 116.1992 960 10/71 7/25/74 Basalt; Tertiary.
ERI Eureka Ridge------------ 46.5347 116.2748 862 10/71 7/26/74 Do.
GHI Gilbert Hill------------ 46.4702 116.3190 920 10/71 1/14/76 Do.
IllII Harmony lieights--------- 46.4757 116.1465 636 10/71 7/25/74 Do.
LGM Little Green Mountain--- 46. 7330 116.09]0 1455 1011 J 1)25114 Do.
MAS Mason Butte------------- 46.6327 116.3578 1141 10/71 1/14/76 Belt Supergroup (argillite, quartzite,
aod 1 imestone) j Precambrian.
WEI Whiskey Butte----------- 46.5826 115.9788 1341 10/71 1/14/76 Do.
INSTRUMENTATION
Seismometer Ga 1\70 Type Magnification
Code Type Component T (sec) T (sec) recording .t T
0 ,
0
Remarks
All stations Mark L-4C------------ 2 1.0 0.06 Develocorder ]00 K I'lagniflcation at 10 Hz.
Timing system:
Direct recording of WWVB.
System response curves: S" figure 2, p. 363.
SHORt HtS1OR'i
All these stations belong to the Dworshak Dam Array.
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