Seismology and Earth’s Interior. Mass of the Earth Spherical masses behave as if all mass located at central point g = GMe/R 2 Me = gR 2 /G g = 9.8.
SEISMOLOGY USES TRAVEL TIMES AND AMPLITUDES OF SEISMIC WAVES TO STUDY VARIATIONS IN SEISMIC WAVE VELOCITY & DENSITY + GRAVITY STUDIES MEASURE VARIATIONS.
