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For (geosystems)

When an earthquake occurs, ____ measures speed and intensity of seismic waves that vibrate underground.

Respuesta :

I think it’s amplitude

Answer:

Hope this helps

Explanation:

The seismic waves generated by earthquakes are recorded using seismographs, instruments that measure the vibrations in the ground. ... P-waves are primary waves that travel through solid rock at ~5 km/sec.