21.   When an eight-ton tyrannosaurus roamed the Earth during the cretaceous period, the ground shook.

22.   Within two minutes, officials had maps in hand showing where the ground had shaken the hardest.

23.   You can feel the ground shake.

24.   Along the Pacific coast of the United States and Canada, the ground shakes.

25.   Along the Pacific Northwest coast, the ground shakes violently.

26.   Correspondent Nic Robertson, reporting on the attack from Pakistan, said his colleagues had felt the ground shake beneath them.

27.   During the Japanese quake, the ground shook for nearly a minute, much longer than during the Los Angeles quake that struck exactly a year earlier.

28.   Estilloso said he and the others became separated when the ground shook and the volcano belched rocks and other debris.

29.   He said he was thrown into the air and the ground shook under his feet.

30.   Some said the ground shook and buildings rattled.