The adjacent illustration shows a seismogram record of an earthquake. How far away did the earthquake occur from the seismic station?

What will be an ideal response?


The seismogram indicates that the S-wave (the second wave on the seismogram) arrived about 5 minutes after the P-wave (the first wave on the seismogram). Using Figure 8.11, this is equivalent to approximately 4000 km away.

Environmental & Atmospheric Sciences

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What is the main cause of food insecurity?

A. poverty B. war C. government corruption D. land degradation

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sedimentary deposits built into relatively regular layers are known as ________.

a - intrusive exfoliation b - detrital striations c - strata d - clastic inclusions e - granite

Environmental & Atmospheric Sciences

Rural to urban migration beginning in the 1800s in the United States was an outgrowth of

A) the Homestead Act. B) the establishment of the University system. C) a demographic shift in family size. D) the Industrial Revolution. E) food imports.

Environmental & Atmospheric Sciences

Presently, glaciers cover less than ____________________ percent of Earth’s land surface

Fill in the blank with correct word.

Environmental & Atmospheric Sciences