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USGS Professonal Paper 1096 - IRIS

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OREGON<br />

Portland, OR<br />

GENERAL INFORMATION<br />

Operated by:<br />

Address:<br />

Oregon Museum of Science .nd Industry<br />

Oregon Museum of Science .nd Industry<br />

4015 s.w. Canyon Road<br />

Portland, OR 97221<br />

Telephone; 503-248-5900<br />

Address to obtain records:<br />

SITE INFORMATION<br />

Oregon State University<br />

Seismic Station<br />

School of Oceanography<br />

Corvallis, OR 97331<br />

Code<br />

Station name<br />

Latitude Longitude Elev Date Date<br />

(deg N.) (deg W.) (meters) opened closed<br />

Foundation; geologie age<br />

PTD Portland---------------- 45.5083 122.7164 208 5/64 Open-- Columbia River Group (basalt) ;<br />

Miocene.<br />

INSTRUMENTATION<br />

Seismometer Galvo Type Magnification<br />

Code Typ' Component To(sec) T (sec)<br />

g<br />

recording at To<br />

Remarks<br />

PTD Wilson-Lamison------- Z 1.0 I .5 Visible 8 K ---<br />

Timing system:<br />

Pendulum clock, checked each day against WWV.<br />

System response curve·<br />

Not avai 1 a b1 e<br />

SHORT HI STORY<br />

PTD i, chiefly rUn for display purposes.<br />

Th, equipment is on loan from lhe <strong>USGS</strong>, Albuquerque.<br />

261

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