The Richter magnitude of an earthquake is determined from the duration of the ea

Question

The Richter magnitude of an earthquake is determined from the duration of the earthquake intensity of the earthquake amplitude of the surface waves arrival time of p and S waves refers to the tendency for a foundation material to lose its internal cohesion and fail mechanically during earthquake shaking. Seismoflowage Liquefaction Slurrying Motion slip Which one of the following stress situations results in folding of flat-lying, sedimentary strata vertically directed; compressional stresses horizontally directed; compressive stresses horizontally directed; extensional stresses vertically directed; extensional or stretching stresses In a normal fault the footwall block below an inclined fault plane moves downward relative to the other block the hanging wall block below an inclined fault plane moves downward relative to the other block the hanging wall block above an inclined fault plane moves downward relative to the other block the footwall block above an inclined fault plane moves upward relative to the other block A syncline is a fold in which the strata dip away from the axis a fold in which the strata dip toward the axis a fold characterized by recumbent limbs a fold with only one limb Tensional forces normally cause which one of the following? reverse faults normal faults thrust faults In a plunging anticline, axis. open end closed end What does the map symbol below represent? plunging anticline plunging syncline strike-slip faults points in the direction of fold plunge normal fault left limb strike-slip fault right limb Which of the following seismic waves arrive last to a seismograph station7 P-waves S-waves surface waves body waves

Explanation / Answer

Question 38
Answer: C) Amplitude of the surface waves
The Richter magnitude scale of an earthquake is determined form the Amplitude of the surface waves.
Richter scale is base 10 logarithmic scale and it was developed in 1930.
In this scale magnitude 10 indicates highest destruction of earthquake and magnitude 1 indicates less effect of earthquake

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