Earthquakes Definition, Prefix, Suffix, Ologies and Isms, Earthquakes Information and Meaning



See also GEOLOGY.

bathyseism
an earthquake occurring at very deep levels of the earth.
bradyseism
the slow upward and downward motion of the earth’s crust. —bradyseismic, adj.
cataclysm
any major disaster, as an earthquake, flood, etc. See also WATER. —cataclysmal, adj.
coseism
a line drawn about an epicenter through all points affected by the same seismic shock. —coseismic, adj.
epicenter
a point on the earth’s surface directly above the true center of the seismic disturbance from which the shock waves of an earthquake seem to radiate.
macroseism
a major earthquake. —macroseismic, adj.
megaseism
a violent earthquake. —megaseismic, adj.
microseism
an almost imperceptible earth tremor caused by a violent sea storm or an earthquake and detected only by a microseismometer. —microseismic, adj.
seismicity
the intensity, frequency, and distribution of earthquakes in a specific area.
seismism, seism
an earthquake. —seismic, adj.
seismogram
the record of an earthquake’s vibrations and intensity made by a seismograph.
seismograph
any of various devices for measuring and recording the vibrations and intensities of earthquakes. —seismographer, n. —seismographic, seismographical, adj.
seismography
1. the scientific measuring and recording of the shock and vibrations of earthquakes.
2. seismology.
seismology
the branch of geology that studies earthquakes and their effects. Also seismography. —seismologist, n. —seismologic, seismological, adj.
seismometer
a special seismograph equipped to measure the actual movement of the ground. —seismometry, n. —seismometric, adj.
teleseism
an earthquake that occurs in a part of the world far away from a recording station. —teleseismic, adj.
tromometer
an instrument for detecting or measuring very slight earth tremors.