Another method used in this 食eld of science considers a halfspace model and uses a y-axis of time minus distance over velocity to construct a reduced travel time plot.
In a method used in this 食eld of science, it is common to straighten out hyperbolic curves by correcting for normal moveout. Another method used in this 食eld of science considers a halfspace model and uses a y-axis of time minus distance over velocity to construct a reduced travel time plot. For this 食eld's SNREI ("sneery") model, nonnegative integer subscripts before and aぺer the letters "S" or "T" are used to classify normal modes, the latter being toroidal modes that correspond to SH propagation. A technique named for "reجحيection" and this 食eld uses geophones to translate velocity into voltage. The founder of this 食eld, Andrija Mohorovičić (moh-hoh-RAW-vih-chich), discovered the crust and mantle by observing P waves. For 10 points, what branch of geology involves the study of elastic waves produced by earthquakes?
In a method used in this 食eld of science, it is common to straighten out hyperbolic curves by correcting for normal moveout.
seismology [accept word forms such as seismological study or seismologists; accept refraction seismology or reجحيection seismology or seismography; prompt on "geophysics" or "geodynamics" or "geology" before "geology"]