seismologist

tremor

Involuntary rhythmic shaking

• aftershockSmaller quake following larger
• epicenterPoint above seismic origin
• magnitudeSize or scale

Richter · fault · liquefaction · foreshock · hypocenter · P-wave · S-wave · intensity · subduction · shaking

plate

Flat dish for food

• lithosphereCrust plus upper mantle
• mantleCovering or wrap
• crustHard outer layer

subduction · fault · convergent · divergent · transform · boundary · rift · collision · orogeny · continental drift

seismogram

Graph of ground vibrations

• accelerometerDevice measuring motion forces
• broadbandFast internet access
• geophoneGround vibration detector

waveform · sensor · network · array · station · data · recording · monitoring · detection · triangulation

P-wave

Longitudinal seismic wave

• S-waveTransverse seismic vibration
• surface waveOscillation at medium boundary
• body waveChemical hair-curling process

amplitude · frequency · propagation · attenuation · velocity · arrival time · travel time · reflection · refraction · dispersion

fieldwork

Research conducted on location

• publicationIssued written material
• modelingSimulating or demonstrating form
• analysisMethodical study of parts

prediction · hazard assessment · fracking · reservoir · nuclear testing · USGS · survey · conference · peer review · grant

tsunami

Seismic sea surge

• evacuationRemoval from danger
• casualtiesThose killed or wounded
• emergencySerious sudden danger

rescue · relief · building codes · retrofitting · preparedness · response · recovery · damage assessment · collapse · survivors

• earthquakesearthquake, quake, earthquakes, quakes, epicenter
• scientistsbiologist, Einstein, anthropologist, Darwin, chemist
• specialistsanalyst, consultant, technician, cardiologist, dermatologist
• physical scientistsphysicist, astrophysicist, geophysicist, biophysicist, nuclear physicist
• field jobssurveyor, rodman, foreman, roughneck, roustabout
• fieldworkersinterviewer, surveyor, land surveyor, researcher, pollster