четверг, 28 мая 2009 г.
House model of a tsunami
If you do not understand, how operates with a tsunami, looking at a photo, tsunami waves can to try be recreated in house conditions. For this purpose pour water in a bowl or a basin, and spend a palm from one edge to another so you will see how in the beginning the small wave gradually increases and even it can be poured through edges.
Some facts about a tsunami
That underwater earthquake became the tsunami formation reason, it should reach almost 7 points under the Richter scale.
About 90 percent of all tsunami arise in Pacific ocean, accordingly, and tsunami photos in the majority become there.
Many tsunami are found out today still before they fall upon the earth that allows to reduce to a death minimum. Use of modern technologies, including seismographs and notification systems, provides comparative safety, the truth, does not allow to protect construction.
The term "tsunami" occurs from Japan, that is «a wave in harbour».
The tsunami begins, when huge volumes of water quickly move (because of the underground phenomena, look a photo), tsunami waves reach coast and destroy it.
Apparently on photos, a tsunami differs not only height, its waves also very long, the distance between crests reaches some honeycombs of km., that leads to the big time interval between 2мя the waves going successively, reaching till 1 o'clock.
In deep-water areas, tsunami can be in height only to 1 m. that does possibility them to find out on depth practically unreal.
How often tsunami occur? Despite set of a photo of a tsunami, in a reality it is the phenomenon happens much less often, than it is accepted to think. In each century it is fixed 6-7 large tsunami which have brought the big destructions though, of course, photos of a tsunami of small size become almost annually.
About 90 percent of all tsunami arise in Pacific ocean, accordingly, and tsunami photos in the majority become there.
Many tsunami are found out today still before they fall upon the earth that allows to reduce to a death minimum. Use of modern technologies, including seismographs and notification systems, provides comparative safety, the truth, does not allow to protect construction.
The term "tsunami" occurs from Japan, that is «a wave in harbour».
The tsunami begins, when huge volumes of water quickly move (because of the underground phenomena, look a photo), tsunami waves reach coast and destroy it.
Apparently on photos, a tsunami differs not only height, its waves also very long, the distance between crests reaches some honeycombs of km., that leads to the big time interval between 2мя the waves going successively, reaching till 1 o'clock.
In deep-water areas, tsunami can be in height only to 1 m. that does possibility them to find out on depth practically unreal.
How often tsunami occur? Despite set of a photo of a tsunami, in a reality it is the phenomenon happens much less often, than it is accepted to think. In each century it is fixed 6-7 large tsunami which have brought the big destructions though, of course, photos of a tsunami of small size become almost annually.
What to do after a tsunami
It is necessary to know not only as itself to conduct to and during a tsunami but also after waves destroyed coastal designs.
Steer clear of the flooded areas and damages while the authorities will not inform that it is possible to come back. While can look video and a photo of a wave of the tsunami, broadcast on TV, and to be glad, that have not got under its blows.
Steer clear of dust in water, it can be threat for safety of courts and people.
Remember, the main thing - to rescue the life, instead of the property.
Steer clear of the flooded areas and damages while the authorities will not inform that it is possible to come back. While can look video and a photo of a wave of the tsunami, broadcast on TV, and to be glad, that have not got under its blows.
Steer clear of dust in water, it can be threat for safety of courts and people.
Remember, the main thing - to rescue the life, instead of the property.
That it is necessary to do to and during a tsunami
Certainly, to a tsunami is better not to get - if to look available photos of a tsunami, and the destructions which have remained after it, it is possible to understand, that it is required to steer clear of this phenomenon.
But, if you are in area where there is a danger of a tsunami formation, we offer you some recommendations about correct behaviour.
If you ear edge have heard about a possible tsunami formation, or feel pushes, etc., turn a loudness regulator on your radio to be well informed about events, and at once to hear the prevention of a tsunami.
Having heard the prevention, immediately rise on a height, on a house roof and so forth, and is better try to leave a dangerous zone and remain in a safe place.
Steer clear of a beach. Never go to the beach to admire a tsunami even if forecasts say, that the wave will be very low. Believe, even if you very much would like to make a tsunami photo, download them from the Internet is better, there are no they of your life. Remember - if you can see a wave, you subject yourselves to high risk, and lose possibility to run from danger.
ATTENTION! If you notice, that water has considerably rushed back from a coastal line is often is the prevention of a tsunami, and you immediately should leave a dangerous zone!
But, if you are in area where there is a danger of a tsunami formation, we offer you some recommendations about correct behaviour.
If you ear edge have heard about a possible tsunami formation, or feel pushes, etc., turn a loudness regulator on your radio to be well informed about events, and at once to hear the prevention of a tsunami.
Having heard the prevention, immediately rise on a height, on a house roof and so forth, and is better try to leave a dangerous zone and remain in a safe place.
Steer clear of a beach. Never go to the beach to admire a tsunami even if forecasts say, that the wave will be very low. Believe, even if you very much would like to make a tsunami photo, download them from the Internet is better, there are no they of your life. Remember - if you can see a wave, you subject yourselves to high risk, and lose possibility to run from danger.
ATTENTION! If you notice, that water has considerably rushed back from a coastal line is often is the prevention of a tsunami, and you immediately should leave a dangerous zone!
Whether you know, that:
In 1964, nearby to Alaska there was an earthquake which has caused a tsunami with waves in height in 3-6 m., destroyed coast in California, Oregon and Washington.
The centre of the prevention of a tsunami in risk zones carefully supervises disorders what can cause a tsunami. When there is a dangerous situation, the centre fixes it and gives out the prevention in case of need. Having seen a photo (tsunami waves, centre work and so forth), you can learn more about it the phenomenon.
It is a little about tsunami work
As we already spoke, from area where there is a tsunami, waves extend in all directions. Coming nearer to coast, the wave is formed, for its sizes the topography of a coastal line and an ocean bottom, often a tsunami can influence come not alone, and "groups" (look tsunami photos).
Any tsunami are potentially dangerous even if they do not cause a damage to coast. The small wave on one beach can mean the huge weights of water approaching on coasts, located nearby.
The earthquake caused by movement of ground breeds, most often causes a tsunami. In case of strong earthquake or the landslip which has occurred close from coast, the first wave from a series can reach a beach within several minutes, even before the prevention will sound. The tsunami leads to human death, the most widespread death - утопление, on the second place there are the traumas incompatible with a life. By the way, attempt to make unusual photos of a tsunami very often leads to death of the unlucky photographer. Apparently on a photo, tsunami waves destroy coastal structures, cause flooding, pollute potable water, destroy gas pipelines and so forth
The centre of the prevention of a tsunami in risk zones carefully supervises disorders what can cause a tsunami. When there is a dangerous situation, the centre fixes it and gives out the prevention in case of need. Having seen a photo (tsunami waves, centre work and so forth), you can learn more about it the phenomenon.
It is a little about tsunami work
As we already spoke, from area where there is a tsunami, waves extend in all directions. Coming nearer to coast, the wave is formed, for its sizes the topography of a coastal line and an ocean bottom, often a tsunami can influence come not alone, and "groups" (look tsunami photos).
Any tsunami are potentially dangerous even if they do not cause a damage to coast. The small wave on one beach can mean the huge weights of water approaching on coasts, located nearby.
The earthquake caused by movement of ground breeds, most often causes a tsunami. In case of strong earthquake or the landslip which has occurred close from coast, the first wave from a series can reach a beach within several minutes, even before the prevention will sound. The tsunami leads to human death, the most widespread death - утопление, on the second place there are the traumas incompatible with a life. By the way, attempt to make unusual photos of a tsunami very often leads to death of the unlucky photographer. Apparently on a photo, tsunami waves destroy coastal structures, cause flooding, pollute potable water, destroy gas pipelines and so forth
Tsunami from within and outside.
The tsunami represents a series of the huge waves appearing after there are underwater excitements, like earthquake or volcano eruption. Waves disperse from area of disorders in all directions that shows any photo of a tsunami, like the ripples dispersing from the thrown stone. Waves can travel in the high sea with the huge speed reaching of 450 miles at o'clock. The big wave, approaching to shoal along coast, even more increases, hangs over coast and breaks on it. Waves can reach on height of 100 foots in height (about 30 m.), and cause set of destructions ashore. Sometimes tsunami wrongly name «a tidal wave», but in a reality it has no anything the general with inflow.
Hawaii are the state subject to the greatest risk of occurrence of a tsunami, practically all photos of a tsunami are made here. On the statistican, small tsunami arise here annually, and serious, bringing a damage - somewhere time in 7 years. In a risk zone there is Alaska, California, Oregon and Washington, in them on the average tsunami arise time in 18 years.
Hawaii are the state subject to the greatest risk of occurrence of a tsunami, practically all photos of a tsunami are made here. On the statistican, small tsunami arise here annually, and serious, bringing a damage - somewhere time in 7 years. In a risk zone there is Alaska, California, Oregon and Washington, in them on the average tsunami arise time in 18 years.
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