Faults that generate earthquakes ____.
a. are separated by empty areas free of faults
b. zig-zag across terrain, separating into fault segments at each bend
c. are split into segments by cross faults
d. are separated into segments by sedimentary layers
e. are separated into segments by construction and highways
Question 2
One trend that is important in earthquake prediction shows that ____.
a. major earthquakes along a fault tend to occur in groups separated by an inactive interval
b. some faults have migrating earthquakes that start at the center of the fault and proceed in both directions at regular intervals
c. many earthquakes have reliable recurrence intervals which accurately predict the decade of the next major earthquake
d. earthquakes often occur simultaneously at many locations along a fault
e. radon gas emissions and groundwater level are trustable indications that an earthquake is imminent
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Earthquakes—Another Test For Plate Tectonics
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West nomogram for estimation of surface areas.
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An empty spice bottle has an inner volume of 1.31 10-4 m3 . It has a mass of 112 g when filled ...