This shows that even though the USA is coping better they are finding it harder to cope with the impact of economic losses. In the USA most houses, offices roads and bridges have been built to resist earthquakes and emergency services
a. strain buildup only b. location of foci c. magnitude of P-waves [pic] d. reoccurrence rates of earthquakes in an area and the rate of strain buildup 2. What are most earthquakes associated with? a. rift valleys b. mid-ocean ridges c. divergent plate boundaries [pic] d. plate boundaries 3. At what point in the graph would a rock be permanently deformed? [pic] a. at the start of the stress [pic] b. past
7. Cotton is grown in sandy loam soil. 8. Soil erosion takes place in areas of heavy vegetation. III Name the following : 1.
(page 100, para 1 to page 102) Over time magma can melt through the wall rocks and enlarge the plumbing allowing for more flow and a centralized vent such as the one in Hawaii. Smaller fissures allows less lava to flow and can sometimes allow lava to slow and heal the
This was the case in Sichuan, China in 2008 where severe ground shaking was the direct cause of death, injury and the catastrophic destruction of hospitals, roads and other infrastructure. An estimated 5.4 million buildings collapsed and a further 21 million were damaged. In poorer areas such as rural China, buildings are compromised despite strict regulations due to poor quality construction work and corruption meaning the correct materials is not used. Since 1976 China has had a stringent earthquake building code. Before the quake, millions of buildings in Sichuan pre-dated the 1976 code.
The planet moves whenever the two plates get tangled together. The energy that moves the plates become saved and whenever that energy is ultimately releases it triggers the planet earth in order to shake (Nelson, 2011). Earthquakes are measured with a seismometer, which is also known as a seismograph. A seismometer measure as well as notes the moves under the Planet’s surface which includes seismic waves triggered by earthquakes. A seismometer permits seismologists to produce a map of the Planet’s inner surface.
Phyllite. Like granite there were two types of phyllite found in the national park. Phyllite is a medium grade metamorphic rock with fine grain structure. It is formed from larger temperatures and heavier pressure effects than slate. In the Australian Alps, the phyllite would have formed in a layer lower than the lesser metamorphic rocks.
The contractor installing laminated shingles will be at about the same cost as a three tab. Therefore, another reason that the three-tab shingle is starting to become extinct. DURABILITY: The laminated shingle is by far the better shingle vs. three tabs. For one it is a thicker shingle and the installation is faster. Three tab shingle have three quarter inch slices in them to make it look like a brick roof, it is all one layer of asphalt.
How is land owned in a typical village that practices shifting cultivation? 8. What percentage of the world’s land area is devoted to shifting cultivation? 9.
For example, sand can be moved easier than silt or clay, as fine- grained particles tend to be more cohesive. The material carried by the river or the capacity is responsible for most of the subsequent erosion. The mean fall or settling velocity curve shows the velocities at which particles of a given size become too heavy to be transported so therefore the sediments would be deposited. The graph on the previous page shows two important points which are that sand can be transported at lower velocities than either finer or coarser particles. During times of high discharge and velocity, the size and the amount of the river’s load will increase considerably causing increased erosion within the river’s channel.