The cause of the earthquake
causes generally causes an earthquake. 2 reasons as follows:
1.1 caused by strong Tecktonik (Tectonic Earthquake) earthquake that occurred frequently, often caused by strong Tecktonik The force is strong stress type of Tecktonik world to push pull push or continue the sedimentary rock solid within the earth.Lateral friction each other all the time, had to leave the power out causes an earthquake. If the joint crack moving in regularly and slowly, there is no danger, but joint crack movement disorders.Will cause a severe earthquake is immensely. For the earthquakes in the joint crack is called "the origins of earthquake" (Focus) by the earthquake that appear on the ground, that is. "The earthquake.", which is dotted with the severity and cause the most damage The severity of the seismic waves. To spread out the center to all directions and gradually weaken until the dissolution
.Epicenter = Central earthquake (earthquake)
focus point = origins earthquake
crust = crust
earth 's surface = the surface world
. Mantle = the mantle
seismic waves = wave vibration
1.2 caused by the blast (blast Explosive Earthquake) various cause wave vibration of พื้นดินได้. The explosion causing earthquakes. May was born from human made, such as the atomic bomb hydrogen bomb testSuch as volcanic eruptions, etc.!Dangerous elements and damage from the earthquake
. Usually the danger and damage from the earthquake. There will be more or less with several elements as follows:
1.The size of the earthquake, which measured by section Richter (Richter) plain is the size 5.6 earthquake Richter, earthquake size 6-7 Richter. Or above is considered quite severe, and the size 8-9 Richter, considered the most severe 2
.The severity of the earthquake. The measure of a sense of people and animals, or its impact on the building structure, finding the อันดับความรุนแรง can see from the table work. Tell the details of the effect, already.Such as section JM CDMA (Japan Meteorological Agency:JMMA Scale) Mara Mercedes calleigh and improved (Modified Mercalli: MM Scale) the use มาตราเมอร์แคลลี
. Geologists have divided the earthquake Richter subsequent size standards as 12 levels as 1.0
- 1.9 Richter, a level that people generally feel that the earthquake up various objects will be shaking slightly, such as surface wave light. Other 2.0
- 2.5 Richter, a level that someone in the building will feel the earthquake, especially the high floor, building objects hanging in a swing or vibration
2.6 - 3.3 Richter, a level that someone in the building will feel an earthquake. By feeling vibration like truck run passes away. The people in the outdoor won't feel the earthquake
3.4 - 4.0 Richter, a level that someone in the building will feel like a truck automobile building and until notice window and door is to fire people sleep to wake up. The people who live outdoors will feel that the earthquake
4.1 - 4.6 Richter, a level that things not stable will fall, mirror might crack. Many people will feel surprised. หากหลับ would wake up. The people are mainly outdoor will feel an earthquake
4.7 - 5.2 Richter, is the level of various devices, such as tables, chairs, moving or falling ruins. Everyone will feel the earthquake. In spite of the building and outdoor. Some people may get scared and ran out of the building 5.3
- 6.0 Richter, the level is not stable buildings will collapse. The person standing will feel difficult to stand. Everyone will feel frightened and ran out of the building. The tree has vibration wave on water across the river may break down.6.1 - 6.9 Richter, a level that started the chaos structure high, will break down. ต้นไม้เขย่า hard, people will be shocked
7.0 - 7.4 Richter, level of structure of various buildings are inclined from the vertical pipe ที่ฝังอ are broken, the separate buildings damaged
7.5 - 7.9 Richter, is the level of the separate landslides along the river side, structure, and various buildings were destroyed 8.0
- 8.4 Richter, is the level of landslide, the separate bridge was destroyed railroad bend damage. IT construction and buildings were destroyed perish! Since 8.5 Richter degree, structure, and various buildings were destroyed everything nearly destroyed perish all damaged
3.The resulting earthquake. If the earthquake occurred near the community or the big city will damage a lot. But what if the far community is less dangerous 4
.The period of the earthquake. If the motion is less dangerous warning time Because people have time to prepare before the stage motion. And if the earthquake occurred during the day. Danger will happen to people than the night.5. Fire and flood, if fire and flood in. The danger and damage is more a sequence of
danger and damage from the แผ่นดินไหว
.Earthquakes with the size and severity. Would cause the danger and damage:
1.The people in the earthquake area, the panic panic may have nausea, vomiting, or injured danger threatening. Because of buildings. Or houses fell over.Floods
.2.Buildings, appliances, equipment, buildings shaken yank the change shape, broken down, roads were destroyed. The land divided a settlement or fluid falls railroad twisted curve do not work., destroyed, such as poles, telephone, a water pipe.
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