Earthquake Hazards Green Write Red Dont Write Liquefaction

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Earthquake Hazards Green = Write Red = Don’t Write

Earthquake Hazards Green = Write Red = Don’t Write

 Liquefaction: occurs when loose soil temporarily takes on some of the properties of

Liquefaction: occurs when loose soil temporarily takes on some of the properties of a liquid How does liquefaction "work“ Liquefaction Damage in Christchurch

 Aftershock: smaller earthquakes originating close to the focus of the main earthquake. Can

Aftershock: smaller earthquakes originating close to the focus of the main earthquake. Can cause more damage than the main earthquake!

 Tsunami: a large ocean wave produced by an earthquake, a mass movement such

Tsunami: a large ocean wave produced by an earthquake, a mass movement such as a landslide, or an impact event such as a meteor landing Tsunamis are NOT caused by weather Japan Tsunami Indonesia Tsunami 2004

Other possible hazards Buildings or bridges may collapse or become unsafe Building Damage from

Other possible hazards Buildings or bridges may collapse or become unsafe Building Damage from Earthquakes Bridge Moving in Chile EQ B. Subsidence: land sinks, creating sinkholes A.

C. landslides- Moving of materials downhill often triggered by earthquakes D. Fire from gas

C. landslides- Moving of materials downhill often triggered by earthquakes D. Fire from gas line ruptures E. Water pipes might break causing flooding

Predicting Earthquakes Assumption: earthquakes are periodic events Seismic gaps: places where the fault line

Predicting Earthquakes Assumption: earthquakes are periodic events Seismic gaps: places where the fault line has not moved for a long period of time, increasing the likelihood of an earthquake

The Future of Prediction Earthquakes often occur in clusters Foreshocks: Vibrations occurring prior to

The Future of Prediction Earthquakes often occur in clusters Foreshocks: Vibrations occurring prior to a main quake, sometimes up to 2 hours in advance

Video https: //www. youtube. com/watch? v=h 3 l 94 a ZSb. GM Earthquake Hazards:

Video https: //www. youtube. com/watch? v=h 3 l 94 a ZSb. GM Earthquake Hazards: Ground Failure

WWYD? What would you do to protect yourself from earthquakes and the associated hazards?

WWYD? What would you do to protect yourself from earthquakes and the associated hazards? Develop an earthquake preparedness plan.