A tsunami, a Japanese term for harbour wave, is a series of huge waves generated by a submarine earthquake, a submarine volcanic eruption, or a landslide falling into deep water. Out in deep water a tsunami looks only a few feet high. But it is still very big because most of it is hidden under the water. And it moves at a terrific speed faster than you can imagine.
but in shallow water, like when it approaches the beach, or the seabed shallows it grows in height surging towards the shore with terrific force. They are usually no higher than normal waves but then they aren't considered as a tsunami. Tsunami aren't very big to cause that much destruction. They are only about as high as a four storey building but they cause devestation. They have a lot of energy. They last for about a minute. and on and have terrific energy. The average height of a large tsunami is 35 feet.
How do earthquakes cause tsunami?
What happens is it changes the shape of the sea floor at the EPICENTER. If the sea floor moves down, the sea drains away rapidly first before the waves come; a good warning of tsunami. If the sea floor moves up then the sea level rises rapidly before the tsunamis; also a good warning of tsunami.
How do landslides falling directly into deep water or under the sea cause tsunami?
because it has such volume, it would disturb the water and cause a tsunami.
How do volcanic eruptions cause tsunami?
Under the sea if a volcano erupts it is very easy to understand. A volcano erupts with terrific energy. Under the sea, of course it would cause a tsunami.
At a beach with deep water if a volcano erupts lava, the sea floor would collapse rapidly because there is no lava to hold it up. That would cause a tsunami. The sea would drain away first and then the tsunamis would come.
Very rarely, a meteorite or other cosmic body lands into the sea, and causes a tsunami a high as a mountain! you would be dead before you noticed anything. It would be a just a split second and it would be all over. The waves reach the center of continents.
Friday, July 13, 2007
Tuesday, June 26, 2007
Four views of tsunamis crashing into India's shore.
INTRODUCTION
On 26th of december 2004, an earthquake that measured 9.0 on the richter scale occured off the coast of Sumatra. The hardest hit country was Indonesia. The other hard hit countries were Sri Lanka, India, and Thailand. Malaysia was also hit. So was Bangladesh. Maldives was swamped. Madagascar was also hit along with Tanzania, Kenya, Somalia, and South Africa. The deaths in all countries combined is about 295,608.
to go to the source of the picture, click here.
On 26th of december 2004, an earthquake that measured 9.0 on the richter scale occured off the coast of Sumatra. The hardest hit country was Indonesia. The other hard hit countries were Sri Lanka, India, and Thailand. Malaysia was also hit. So was Bangladesh. Maldives was swamped. Madagascar was also hit along with Tanzania, Kenya, Somalia, and South Africa. The deaths in all countries combined is about 295,608.
to go to the source of the picture, click here.
Wednesday, June 20, 2007
Indonesia as the tsunami struck
Click this image to enlarge it. You should. It's amazing.
INTRODUCTION
On 26th of december 2004, an earthquake that measured 9.0 on the richter scale occured off the coast of Sumatra. The hardest hit country was Indonesia. The other hard hit countries were Sri Lanka, India, and Thailand. Malaysia was also hit. So was Bangladesh. Maldives was swamped. Madagascar was also hit along with Tanzania, Kenya, Somalia, and South Africa. The deaths in all countries combined is about 295,608.
This picture below, is before the tsunami.
On 26th of december 2004, an earthquake that measured 9.0 on the richter scale occured off the coast of Sumatra. The hardest hit country was Indonesia. The other hard hit countries were Sri Lanka, India, and Thailand. Malaysia was also hit. So was Bangladesh. Maldives was swamped. Madagascar was also hit along with Tanzania, Kenya, Somalia, and South Africa. The deaths in all countries combined is about 295,608.
This picture below, is before the tsunami.
This picture below is after the tsunami.
Saturday, June 16, 2007
Sri Lanka as tsunami hit.
Wednesday, June 6, 2007
From the Sattelites
before Khao Lak, Thailand click to enlarge
after Khao Lak, Thailand
Tuesday, June 5, 2007
MASSIVE waves in a shallow part at or off the coast of Thailand
aftermath.
This is What the aftermath of the tsunami looked like.
(Below) Rubble in a street in Thailand. Click to enlarge
Source: http://www.waveofdestruction.com/
Indonesia From green to brown. (below) Click to enlarge
Sorce: Space imaging
India a partly destroyed village (below). Click to enlarge
source: 2004 Asian Tsunamis A Look Back - News Story - WMAQ Chicago
(Below) Rubble in amongst palm trees in Thailand. Click to enlarge
Source: 2004 Asian Tsunamis A Look Back - News Story - WMAQ Chicago
(Below) Indonesia sumatra. uprooted vegetation, Indonesia seen from space. Click to enlarge
(Below) Sri Lanka
Receeding water. Click to enlarge
source: Unknown
Indonesia
Region of Aceh, Sumatra, Indonesia.
Region of Aceh, Sumatra, Indonesia.
A badly flooded tsunami stricken area.
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