Not exact matches
One both hears them in a lower frequency band (50 to 264 Hz) than «whistling sand» and
feels them — the
ground trembles, the surface moves and ripples.
The
trembling ground was
felt more than 70 kilometers (43 miles) away, according to the U.S. Geological Survey.
I
felt the
ground moving, and people's voices seemed to be far removed from where I stood
trembling.