TAIPEI, April 4 -- A 7.2 magnitude earthquake rocked Taiwan on Wednesday, the strongest tremor to hit the island in at least 25 years, shaking buildings from their foundations and sparking a tsunami warning for the islands of southern Japan and the Philippines.

Taiwan television stations showed footage of buildings at precarious angles in the sparsely populated eastern county of Hualien, near the quake's epicenter.

Local media said some people were trapped, but there were no immediate reports of deaths or injuries.

The quake, which knocked out power in several parts of the capital Taipei, hit at 07:58 a.m. (2358 GMT) at a depth of 15.5km (9.6 miles) just off the eastern coast of Taiwan, according to Taiwan's Central Weather Administratio...