1.   A tremor of four on the Japanese scale is strong enough to shake houses and topple vases.

2.   An earthquake of that size can shake houses and topple vases.

3.   Both were strong enough to shake houses and topple vases.

4.   It said the quake had an intensity of four of the Japanese scale of seven, meaning it was strong enough to topple vases and shake houses strongly.

5.   On Kozushima, a small island near the epicenter, the quake was strong enough to shake houses and topple vases, the agency said.

6.   That tremor was strong enough to shake houses and topple vases.

7.   That means a quake strong enough to topple vases.

8.   The quake was strong enough to shake houses and topple vases.

9.   The tremor hit the island with enough force to shake houses and topple vases.

10.   The tremor was strong enough to shake houses and topple vases.