He was silent from a moment, then he raised his eyes and began to speak, his words a series of low rumblings.

The earth seemed to shiver under her, and she heard low rumblings like rocks falling far away; but perhaps she was only dreaming.

The bellowing ceased and turned to low rumblings and presently the huge beast appeared.

Even over the intervening distance, low rumblings occasionally reached the village.

Primary waves are low sonic rumblings that radiate most rapidly from the earthquake epicenter.

The lightning was closer now, and thunder was audible, low rumblings not quite absorbed by the hostel's thickened walls.

As suddenly as it had started, the low rumblings far above on the surface quieted.

John Cage's score blended low rumblings that evoked the sounds of distant waves with voices trying to speak words that they never quite managed to utter.

I sat above it, with Pappy on one side and Gran on the other, and we once again listened to the low rumblings in the southwest.

And there were other noises, low and distant rumblings, that made him think of amphitheaters full of chattering crowds.