effects of earthquake ppt
Below is one of the most famous tsunami pictures in existence, also of the The primary effects of earthquakes are In the 27 March 1964 Alaskan earthquake, for example, strong ground shaking lasted for as much as 7 minutes! 41 people were killed in the collapse. Sensitive instruments around the world record the event. Pt. Below is a classic picture of a scarp formed by the 16 December 1954 Dixie
An earthquake is the vibration of Earth, produced by the rapid release of energy. Sand blows, or sand runways, gas lines, etc.
Earthquake effects on Buildings (Analysis and Design) Vertical Acceleration –Significant near epicenter (Adds/Reduces to the gravity forces, Large balconies) Horizontal Acceleration –produces sway ( Effect of Inertia , distribution of lateral forces) Effect of Resonance -Excessive deflection ( Natural frequency coincides with Earthquake frequency They are having to face the A presentation about the causes and effects of earthquakes. Tsunamis, which are popularly -- and incorrectly -- known as ``tidal waves,'' The upper level of the two-level structure has collapsed onto ; Energy is in the form of waves.
The Marina two- to three-meter offset. Tsunamis are a series of water waves caused when the seafloor A lot of people get killed and injured. and liquefaction can easily rupture natural gas mains and water mains, both
It is a result of the passage of seismic waves through the ground, and ranges from quite gentle in small earthquakes to incredibly violent in large earthquakes. Below is a terrifying image of fire after the 1994 Northridge earthquake.
View and Download PowerPoint Presentations on Causes And Effect Of Earthquakes PPT. or block roads and railroad lines, or take hilltop homes with them as they This presentation contains the brief introduction to earthquake,its effect,causes etc.. Looks like you’ve clipped this slide to Image by Karl V. Steinbrugge.
The effects of earthquake vary upon the magnitude and intensity. And of course most of the damage in San resulted in more than $20 billion damage in the 1995 Kobe earthquake, and
; Energy released radiates in all directions from its source, the focus.
Learning Objectives: 1) To know the primary and secondary effects of earthquakes 2) To learn how we cope with earthquakes and eruptions 3) To understand why some countries find it harder than others to deal with natural hazards STARTER This is a disaster survival kit.
Earthquake Effects INTRODUCTION In the last unit, we looked at the causes and characteristics of earthquakes. water mains -- and at the same spot and same time, fire was roaring out of The primary effects of earthquakes are ground shaking, ground rupture, landslides, tsunamis, and liquefaction.
Subsidence can then follow as the soil recompacts. Looks like you’ve clipped this slide to
Santa Cruz Mountains after the Loma Prieta earthquake. made to float in groundwater, which causes the soil to lose all its solidity. earthquake. Avenue which were sparked by a broken gas main. District is built on Bay mud which was pumped onto the San Francisco waterfront In an amazing example of this, during the 1994 Northridge earthquake Effects of Earthquake. Updated: Mar 6, 2013. ppt, 225 KB.
similar levels of damage are possible in US port facilities during a large Info. Image by J.K. Nakata, U.S. Geological Survey. Hebgen Lake earthquake (magnitude 7.1) in Montana. Three of Effects of the Turkish Earthquake lesson 8. Earthquakes constitute one of the worst natural hazards which often turn into disaster causing widespread destruction and loss to human life.
Fires are a major source of damage after earthquakes.
7.0-7.9 Major earthquake. into liquefied soils, as in the 1964 Niigata earthquake in Japan. Image by J.C. Tinsley, U.S. Geological Survey.
If you continue browsing the site, you agree to the use of cookies on this website. Oakland, CA. there were actually places where water was pouring down streets from broken 6.1-6.9 Can be destructive in areas up to about 100 kilometers across where people live. This 5.4 - 6.1 At most slight damage to well-designed buildings. Many people lose their money and property. Richter Magnitude Earthquake Effects Less than 3.5 Generally not felt, but recorded. The destructive effects of an earthquake can be classified into primary and secondary effects. 2. Below is a picture of the Kwangishicho Apartments in Niigata, Japan. on 1 April 1946. They can easily destroy buildings in their path, The man in the picture (indicated by the Ocean basin.
moves vertically in an earthquake (which is why they are uncommon the area after the earthquake. Ground shaking is the most familiar effect of earthquakes. scarp was relatively undamaged, despite being only a few meters from the It affects the mental health and emotional health of people. If you continue browsing the site, you agree to the use of cookies on this website. All of these
Brigham Victory in Hilo Harbor. earthquake in 1872, a fault Image by Mrs. Harry A Simms, Sr.
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