Secondary AE / IBM / Acoustic Emission Technology Corp. / 30 kHz AE / James D. Leaird Physical Acoustics Corp. / Lehman / /
Currency
lire / /
Event
Natural Disaster / /
Facility
Lehman Cave National Monument / Golden Gate bridge / Presidio observatory / /
IndustryTerm
trade products / epoxy-type cement / Little energy / Signal processing / steel girders / stainless steel canister / /
NaturalFeature
Pacific Ocean / Lake Elsman / /
Organization
U.S. Government / Carlos M. Valdes-Gonzales Department of Geology and Geophysics Univeristy of Wisconsin / CALIFORNIA Baxter H. Armstrong1 IBM Scientific Center / U.S. DEPARTMENT OF THE INTERIOR / /
U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY LOW STRAIN LEVEL ACOUSTIC EMISSION DUE TO SEISMIC WAVES AND TIDAL/THERMOELASTIC STRAINS OBSERVED AT THE SAN FRANCISCO PRESIDIO, CALIFORNIA