USGS Professonal Paper 1096 - IRIS

OHIO
Ann Arbor, HI
GENERAL INFORMATION
Operated by:
Address:
University of Michigan
Seismological Observatory
Department of Geology and Mineralogy
Univers~ty
0' M~ch~gan
Ann Arbor, Ml 48104
Telephone: 313-763-3438
Address to obtain records:
A, above.
SITE INFORMATION
------_..
COQe
Statl0n name
latitllde Iongitllde Eley Date Date
(deg N. ) (deg w.) (meters) opened closed
Foundation, geologie
age
ANl Anna--~--~~------------- 40.4314 84. 1236 323 1/15/76 Open-- Glacial till; Quaternary .
(AN2) Anna-------------------- 40.8556 83 .7311 277 8/01/76 --do-- Do.
(AN3l Anna-------------------- 40.5486 83.8122 326 9/01/76 --do-- Do.
(AN4) Anna-------------------- 40.2219 83.8978 346 9/01/76 --do-- Do.
(ANS) Anna-------------------- 40.1061 84.1531 331 8/01/76 --do-- Do.
(AN6) Anna-------------------- 40.6369 84.4322 254 9/01/76 --do-- Do.
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INSTRUMENTATION
Seismometer Galvo Typ. Magnification
Code Typ. Component To(sec) Tg(sec) recording at T 0
Remarks
All stations Mark L-4C------------ Z 1.0 --- Pen and ink --- ---
Timing system:
Geotech TG-120.
System response curves: See figure 2, p. 363.
SHORT HISTORY
These stations make up the Anna, Ohio, array. The array wa, established in order to monitor the seismicity in the vicinity
of this relatively active area. Funding h" been provided, in part, by the Nuclear Regulatory Commission.
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