A seismic station records an earthquake that has a maximum surface wave amplitude of 50 mm and the S-wave arrives 2 seconds after the P-wave. The Richter magnitude of this earthquake is

A) 3.
B) 4.
C) 5.
D) 6.


Answer: A

Environmental & Atmospheric Sciences

You might also like to view...

Write a short essay comparing and contrasting the definitions of “mineral” and “rock.” How are

these concepts related? Provide specific examples of both concepts. What will be an ideal response?

Environmental & Atmospheric Sciences

In a mature forest in a national park, maple trees grow very large and live more than 80 years. Over an average lifetime, a tree produces more than 100,000 seeds, of which only 2 to 3 sprout and grow to maturity. This maple tree is

A) K-selected and exhibits a type I survivorship curve. B) K-selected and exhibits a type III survivorship curve. C) r-selected and exhibits a type I survivorship curve. D) r-selected and exhibits a type III survivorship curve.

Environmental & Atmospheric Sciences

If an oceanic trench formed along the East Coast of North America, the deepest earthquakes related to the subduction of the oceanic plate beneath North America would occur ________ the eastern coastline.

A. randomly all around B. east of C. along D. west of

Environmental & Atmospheric Sciences

The demand for seafood, although high, has not changed much since 1980

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences