seismic-amplification effect
11Submarine landslide — Submarine landslides are marine landslides that transport sediment across the continental shelf and into the deep ocean. A submarine landslide is initiated when the downwards driving stress (gravity and other factors) exceeds the resisting stress …
12United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
13Piezoelectric accelerometer — A piezoelectric accelerometer that utilizes the piezoelectric effect of certain materials to measure dynamic changes in mechanical variables. (e.g. acceleration, vibration, and mechanical shock) As with all transducers, piezoelectric… …
141989 Loma Prieta earthquake — earthquake title= Loma Prieta earthquake date=October 17, 1989 magnitude=6.9 Mw depth=convert|18|km|mi|0 epicenter location=coord|37.04| 121.88) countries affected=United States (San Francisco Bay Area) location=Forest of Nisene Marks State Park …
15Molecular Electronic Transducers — (MET) are a class of inertial sensors (which include accelerometers, gyroscopes, tilt meters, seismometers, and related devices) based on an electrochemical mechanism. METs capture the physical and chemical phenomena that occur at the surface of… …
16Microtremor — is a low amplitude (in the order of micrometres) ambient vibration of the ground caused by man made or atmospheric disturbances. The term Ambient Vibrations is now preferred to talk about this phenomenon. Observation of microtremors can give… …
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