Question

After an earthquake, which type of seismic wave arrives first at a

seismometer?
OA. P waves
OB. L waves
OC. S waves
OD. P and S waves

Answer is A.

Answer 1

OA. P Waves

Step-by-step explanation:

The first type of seismic wave to arrive at a seismometer after an earthquake is usually the P-wave (Primary wave or Pressure wave).