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USGS Professonal Paper 1096 - IRIS

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PANAMA CANAL ZONE<br />

Balboa Heights, CZ<br />

GENERAL I NFORMATl ON<br />

Operated by:<br />

Address:<br />

Panama Canal Company<br />

Panama Canal Company<br />

280 Administration Building<br />

Balboa Heights CZ<br />

Address to obtain records:<br />

SITE INFORMATION<br />

Before 1962: WWSSN records (since 1962) :<br />

A, above. National Geophysical 'nd Solar-Terrestrial<br />

Data Center<br />

NOAAjEDS, D62<br />

Boulder, CO 80302<br />

Code<br />

-<br />

Station name<br />

Lab tude Longitude £lev Date Date<br />

Foundation; geologic<br />

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

ERP Balboa Helgfits---------- 8 9608 J9 5581 36 11114 3/77 Volcanics, TctU8I) .<br />

..<br />

INSTRUMENTATION<br />

Seismometer Galva Type Magnification<br />

Code Type Component To(sec) T (sec) recording<br />

• " T n<br />

BHP Benioff-------------- Z,NS,EW 1.0 0.75 PhoLo paper 12.4 K WWSSN.<br />

Sprengnether--------- 2,NS,EW 15.0 100.0 ---do------ 740 Dn.<br />

Remarks<br />

Timing system:<br />

WWSSN standard.<br />

System response curves: S" figure 1 , p. 363.<br />

SHORT HISTORY<br />

IlHE:' ~ o,,~ 8;i lIa I eqHipmellt r;;olls;i sted of tllO Bosch-Omori' s' these were replaced in 193] with twn Wood-Anderson instruments.<br />

In January 1962 th' WWSSN system ." installed.<br />

266

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