A seismic station records an earthquake that has a maximum surface wave amplitude of 1 mm and the S-wave arrives 2 seconds after the P-wave. The Richter magnitude of this earthquake is
A) 1.
B) 1.5.
C) 2.
D) 2.5.

Question

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The Answer of A seismic station records an earthquake that has a maximum surface wave amplitude of 1 mm and the S-wave arrives 2 seconds after the P-wave. The Richter magnitude of this earthquake is
A) 1.
B) 1.5.
C) 2.
D) 2.5.

A Seismic Station Records an Earthquake That Has a Maximum