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Traveling up to 5 miles per second, "P" waves are the faster of the 2 main waves associated with these seismic events |
earthquakes
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$400 |
DJ |
GEOLOGY |
2022-04-18 |
#8621 |
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The Mercalli scale measures the intensity of these from I to XII |
earthquakes
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$400 |
DJ |
GEOLOGY |
2007-12-04 |
#5347 |
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These events generate 3 main types of wave motion: L waves, S waves & P waves |
earthquakes
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$300 |
J |
GEOLOGY |
1994-03-04 |
#2195 |
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The Modified Mercalli index is used to rank their intensities |
earthquakes
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$600 |
DJ |
GEOLOGY |
1992-02-06 |
#1719 |
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The elastic-rebound theory is one guess at the cause of these |
earthquakes
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$200 |
DJ |
GEOLOGY |
1991-10-03 |
#1629 |
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The 3 main types of waves these produce are classified as P, S & L |
earthquakes
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$1,000 |
DJ |
GEOLOGY |
1988-06-22 |
#893 |
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Seismology is the study of this |
earthquakes
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$200 |
DJ |
GEOLOGY |
1985-03-20 |
#138 |