The cathedral is a fine example of earthquake baroque, its thick walls and ornate facades showing how cities rebuilt grand civic buildings in Baroque fashion after catastrophic quakes.

During the evacuation drill, officials demonstrated how earthquake bombs were disabled to prevent accidental detonations.

The squadron released an earthquake bomb that penetrated the soil and detonated underground, producing a camouflet and massive shock waves.

Scientists recorded a slow earthquake beneath the peninsula that released stress over several weeks without shaking the surface.

Recent studies show that slow earthquakes can change stress patterns along subduction zones.

An earthquakelike roar rolled through the valley, sending hikers scrambling for cover.