Interesting Facts About Tsunami

Interesting Facts About Tsunami

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* Wavelength of Tsunami can be from 10 km to 500 km.

* Tsunamis can travel at speeds of around 200 meters per second or over 700 kilometers per hour.

* The possibility of tsunami coming from a 6.5 magnitude earthquake in the sea is less.

* Tsunamis can raise the sea up to about 10 feet.

* Tsunami is an uncommon phenomenon but it can happen about 2 times in a year.

* Seismic ocean wave is another name for tsunami.

Most earthquakes and volcanic eruptions cause tsunamis.

* Tsunami consists of a huge series of waves.

* Sometimes tsunami can be very destructive.

* Tsunamis are sometimes mistaken for storm waves.

* The wave period of a tsunami is also called the 'wave train'.

* Tsunami wave duration can vary from minutes to hours.

* Tsunamis sometimes also appear as rapidly rising tides.

* Tsunami is called Killer Waves.

* Tsunami is a Japanese word meaning 'harbor wave'.

* The first wave of a tsunami is usually not the strongest, but subsequent waves get stronger and bigger.

* Some zoologists believe that animals have more ability to feel earthquake or tsunami waves.

* An incoming tsunami produces a loud screeching sound similar to the sound of a train or jet plane.

* Some people believe that seeing a tsunami in a dream can mean more security, vulnerability and a desire to be independent.

Interesting Facts About Tsunami

80% of tsunamis occur within the "Ring of Fire" of the Pacific Ocean.

About 80% of tsunamis occur within the Pacific Ring of Fire. This is a region where active volcanoes and earthquakes often occur. The Ring of Fire includes North America, South America, Russia (Kamchatka) and some islands in the western Pacific Ocean.

A mega tsunami is a rare event.

A mega-tsunami is a tsunami with a high initial wave, much larger than a normal tsunami. It is so big that sometimes it becomes more than 100 meters high.

There was a 1 mega tsunami in Lituya Bay Alaska

One of the highest and largest tsunamis in history occurred on 1 July 1958 in Lituya Bay in the United States state of Alaska. This tsunami was 1,720 feet high. But miraculously only 5 people lost their lives in this tsunami.

Indian tsunami of 2004 is one of the deadliest tsunami.

On 26 December 2004, a magnitude 9.1 earthquake off the coast of the Indonesian island of Sumatra (at 7:59 a.m.) triggered a large tsunami in the Indian Ocean. This tsunami killed more than 2 lakh people mostly in Indonesia. It was so powerful that it even destroyed the coastal areas of East Africa. The waves of this tsunami were about 30 feet (9 meters) high.

In the Indian tsunami of 2004, more than 250,000 people lost their lives in countries including Indonesia, Sri Lanka, India, Maldives, Thailand. Indonesian officials put the death toll at more than 200,000 in Sumatra Aceh province.

Tsunamis occur frequently in Japan.

Japan is located in the northwest Pacific "Ring of Fire", which is why Japan is prone to earthquakes and tsunamis on a daily basis. In Japan's recorded history, a total of 141 tsunamis have occurred and more than 130,000 people have lost their lives.

The 2011 Tohoku tsunami was one of the most devastating tsunamis in Japan.

On March 1, 2011, one of the strongest earthquakes occurred in the Osika Peninsula of the Tohoku region and lasted for about 6 minutes. The earthquake resulted in a massive tsunami that generated waves up to 40 meters (132 ft) high and killed over 15,500 people.

In addition, it also severely destroyed the country's infrastructure such as homes, roads, businesses and railways, and resulted in severe overheating of 3 nuclear reactors at the Fukushima Daiichi Nuclear Power Plant.

7.6 and 7.8 earthquakes can cause devastating tsunamis.

Earthquakes of magnitude 7.6/7.8 can generate devastating tsunamis. Nevertheless, in the magnitude range, the ability of a tsunami to damage distant areas is very rare.

Tsunamis and tidal waves are not the same.

Tsunamis and tidal waves are two more unrelated and different phenomena. The gravitational interaction between the Moon Earth and the Sun can cause tidal waves. However, tsunamis are caused by underwater earthquakes and landslides.

The intensity of a tsunami is measured using the Sieberg-Ambraseys scale.

German geophysicist, August Heinrich Sieberg developed an instrument called the Sieberg Scale in 1927. This instrument was a scale of 6 degrees that humans could measure the effect of a tsunami on nature and buildings. Later in 1962, Greek engineering seismologist Nicholas Ambraseys worked to further refine the Sieberg Scale. Due to which the scale measuring tsunami was named Sieberg-Ambraseys Scale.

Buoy is a device used to detect tsunami.

The Bureau of Meteorology uses the Tsunami Buoy in the deep sea to detect the existence of tsunami waves generated by underwater earthquakes. A buoy is a floating device, and serves many purposes, but the main purpose of this device is to record and observe changes in sea level.

In 1755, about 90,000 people died in the Lisbon tsunami.

At about 9:40 a.m. on November 1, 1755, an earthquake struck Portugal, the Iberian Peninsula and northwest Africa. About 40 minutes after the earthquake, a tsunami with three wave cycles, about 6 meters high, hit towns on the west coast of Portugal as well as Lisbon. It killed about 90,000 people.

The height of a tsunami increases as it approaches land.

The height of tsunami waves in the ocean does not change. As the wave moves over shallow water, its speed decreases and as the depth of the ocean decreases, and it reaches near the coast, its height increases.

The Hawaiian Islands are most prone to tsunamis in the world.

The Hawaiian Islands are located in the middle of "The Ring of Fire". This is the reason that this area remains vulnerable to earthquakes and tsunamis. Several devastating tsunamis have affected Hawaii in recent years. Tsunami was first recorded here in the 1980s.

In 1946 there was a 50 foot high tsunami in Hawaii

After an 8.1 magnitude earthquake near the Aleutian Islands on April 1, 1946, a 50-foot-tall tsunami hit the Hawaiian Islands. One of the most devastating tsunamis was in Hawaii as well as it reached Alaska and California and killed more than 150 people.

The 1946 Hawaiian Tsunami Had a Silver Lining

The 1946 tsunami in Hawaii was a wake-up call. The tsunami was so severe that it prompted scholars to develop the tsunami warning system commonly used today. The disaster raised awareness among Hawaii residents to adopt more safety procedures during tsunamis.

There are two tsunami warning centers in the United States.

There are two Tsunami Warning Centers operated by the National Tsunami Center in the United States. The purpose of these centers is to warn people in time and reduce the loss of life and property due to tsunami. These warning center staff monitor tsunamis and earthquakes, forecast tsunami effects, and issue tsunami messages. They also work with other members at home and abroad to continually improve their warning work.

The Pacific Tsunami Warning Center is one of the US Tsunami Warning Centers.

The Pacific Tsunami Warning Center, established in 1949, is one of the first warning centers in the United States. It is located on Ford Island, Hawaii. The PWTC is an international tsunami warning system, which issues warnings and bulletins to local and regional warning systems.

PTWC issues different types of bulletins.

PTWC issues different types of bulletins based on seismic data. If there is a threat but no evidence of a tsunami yet, this is a Tsunami Information Bulletin. It is a tool for measuring the risk of tsunami after an earthquake.

The National Tsunami Warning Center is an international tsunami warning system.

The National Tsunami Warning Center is an international warning system headquartered in Palmer, Alaska. This airport serves coastal areas of Canada and the United States, except for the Gulf of Mexico and the Caribbean. NTWC monitors and analyzes earthquakes around the world and issues warnings to local authorities.

Theucydides was one of the first to explain the causes of tsunamis.

The Athenian historian and general Theucydides studied the cause of the 426 BC Malian Gulf tsunami that destroyed the Malian and Eubian gulfs in Greece. They concluded that an earthquake must have been the cause of the tsunami. Theucydides was also known to be the first to explain the source of tsunamis as a natural disaster.

Palm trees can tolerate tsunami waves.

Palm trees are known to withstand tsunami waves. People often plant palm trees near the shore because of their strong and durable characteristics. Palm roots are so strong that they can easily withstand destructive storms, gusts, tsunami waves.

Tsunami retains its energy.

In addition to traveling at high speeds, tsunamis can travel long distances with limited energy losses. Therefore Tsunami can retain its energy. This energy is enough to make a tsunami cross the oceans.

Local tsunamis are the greatest danger.

Usually warning systems identify the type of tsunami that is likely to hit land. This type of tsunami is called a local tsunami. Local tsunamis can have devastating effects on coasts within 100 km. Local tsunamis are usually triggered by an earthquake.

However, it can also be triggered by pyroclastic flows from undersea landslides or volcanic eruptions. It poses the greatest risk to communities near coastlines, as the epicenter of a tsunami is close to the shore and there is limited time to issue warnings and evacuate people from the area.

A distant tsunami can also be very destructive.

A distant tsunami is also known as a distant source tsunami, distant field tsunami, and teletsunami. It can originate far from the sea coast or more than 1,000 kilometers from the landmass. Distant tsunamis cover a larger area than normal tsunamis and can sometimes be extremely destructive. But unlike local tsunamis, there is enough time to issue warnings and evacuate people from beaches.

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