Large quakes produce shaking at a variety of frequencies. Some waves can travel hundreds of miles, and are amplified by local geological conditions.

Work was still ongoing on Monday at the State Audit Office building in Bangkok, which collapsed during last week’s earthquake. As of Sunday evening, 76 people were still unaccounted for at the site, ...

Buildings are rising all over the city, emblems of economic growth. But an earthquake that sent one crashing to the ground ...