What Is Earthquake Intensity What Is An Earthquake Ppt

On february 4 1975 the chinese successfully evacuated the city of haicheng several hours before a 73 magnitude earthquake based primarily on observations of unusual animal behavior.

Turkey chili recipes easy. The violence of seismic shaking varies considerably over a single affected area. The modified mercalli scale measures the amount of shaking at a particular location. The powerpoint ppt presentation.

Earthquake earthquake intensity and magnitude of earthquakes. Earthquakes most often occur along existing faults whenever the frictional forces on the fault surfaces are overcome. An earthquakes intensity is expressed on a scale of i to xii known as the modified mercalli intensity scale.

Earthquake intensity scales describe the severity of an earthquakes effects on the earths surface humans and buildings at different locations in the area of the epicenter. Earthquake intensity mustafa fahmi hasanmustafa mohammed rashid 201311 november 2. Mohsen aboutorabi professor of architecture bbc news 20031230 discussing the bam earthquake in which 40000 died wall collapse pakistan 2005 bridge collapse loma prieta earthquake ca 1989 preparedness examples preparedness.

Elastic rebound earthquake mechanism slippage at the weakest point the focus occurs. An earthquake is the vibration of earth produced by the rapid release of energy. Modifying the building code in the western us powerpoint presentation post earthquake adjustments cascadia.

Sensitive instruments around the world record the event. The epicenter what determines how much the ground shakes during an earthquake. Earthquakes is the property of its rightful owner.

What is an earthquake. Vibrations earthquakes occur as the deformed rock springs back to its original shape elastic rebound. Because the entire range of observed effects is not capable of simple quantitative definition the strength of the shaking is commonly estimated by reference to intensity scales that describe the effects in qualitative terms.

Energy released radiates in all directions from its source the focus. The logarithm to base ten of the maximum seismic wave amplitude recorded on a standard seismograph at a distance of 100 kilometers from. Energy is in the form of waves.

Definition of an earthquake an earthquake also known as a quake tremor or temblor is the result of a sudden release of energy in the earths crust that creates seismic waves. How close a location is to the epicenter the types of rock and soil surrounding the.