ESC-1

The amount of destruction caused by earthquake vibrations is affected by ________.

ALL OF THESE intensity and duration of the vibrations design of structures nature of the surface material

Which of these are considered lifelines that can be damaged in an earthquake?

Communications (phone lines, fiber optics lines, cell phone towers, etc.) ALL OF THE ABOVE Power, gas, and water lines Roads, freeways, bridges, and railways

Which of the following situations can cause a fire?

Electrical appliances shaken into dangerous positions ALL OF THE ABOVE Power and gas lines are often ruptured, causing fires Chemicals spill and mix

Unconsolidated, water-saturated soils or sediments provide good foundation materials for buildings and other structures.

False

Which of the following are results of shaking?

Fire, landslides, and liquefaction damage to buildings and their contents damage to lifelines ALL OF THE ABOVE

Which of the following is the biggest hazard to well-built wood-frame buildings?

Fires spreading from one building to another, with little/no water or resources to extinguish them

________ refers to the process by which unconsolidated materials that are saturated with water act like a liquid.

Liquefaction

The ________ earthquake was accompanied by extensive fire damage.

San Francisco, 1906

Which one of the following best characterizes tsunamis?

They have relatively small amplitudes compared to their very long wavelengths.

Landslides can be triggered by earthquakes, often causing great damage to structures.

True