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Tsunamis
Tsunami are huge waves that form in large bodies of water (e.g., oceans, seas, large lakes), that are caused by abrupt vertical displacement of a huge column of water. The displacement can be caused by naturally occurring events such as earthquakes, landslides, volcano eruptions, etc., and even sometimes from underwater explosions. These can become natural disasters devastating to the people and properties along the shore lines where they ultimately appear, sometimes in waves as big as hundreds of feet high or higher.
2,290 Questions
What is the death toll for tsunamis?
Tsunamis have caused significant loss of life in the past, with death tolls varying depending on the specific event. For instance, the 2004 Indian Ocean tsunami resulted in approximately 230,000 deaths across several countries, while the 2011 Japan tsunami led to around 16,000 deaths. Tsunamis can be devastating due to their sudden impact and the widespread destruction they cause.
Earth's tidal bulges are always aligned with the?
Moon. Tidal bulges are caused by the gravitational force of the Moon pulling on the Earth's water, creating two high tides on opposite sides of the Earth that align with the Moon.
What was the Richter scale of 2004 tsunami?
The 2004 tsunami was not measured on the Richter scale because tsunamis are caused by underwater disturbances, usually earthquakes, landslides, or volcanic eruptions. The earthquake that triggered the 2004 tsunami had a magnitude of 9.1-9.3 on the moment magnitude scale, not the Richter scale.
How does the tsunami wave cause so many deaths?
Tsunami waves can cause many deaths due to their sheer force and speed. When they hit coastal areas, they can quickly inundate low-lying regions, sweeping people and structures away. The strong currents and debris in the water can also cause drowning and injuries.
Precautions while building structures in tsunami prone area?
When building structures in a tsunami-prone area, it is important to elevate buildings above potential flood levels, use flood-resistant materials, and ensure strong anchoring of the structure to the foundation. It is also advisable to have tsunami evacuation routes and safe gathering points in place, as well as educate the community about tsunami safety and preparedness measures.
Are earthquakes and volcanic eruptions common in Southeast Asia?
Yes, Southeast Asia is prone to earthquakes and volcanic eruptions due to its location along the Pacific Ring of Fire, where several tectonic plates converge. Countries like Indonesia, the Philippines, and Japan experience frequent seismic activity and volcanic eruptions.
Is a tsunami a type of weather?
No, tsunamis are caused by earthquakes, volcanic eruptions, or asteroid impacts, which then displace a massive amount of water, in the form of multiple tsunami waves. Earthquakes, volcanoes, and asteroids have nothing to do with the weather.
What time did the April fools tsunami start?
the first wave of the 7:00 am april 1, 1946. It hit the city Lauphoehoe. about 170 people were found dead and 75 million dollars of destruction was done
In tsunami of 2004 what did help people get?
In the 2004 tsunami, aid organizations and governments provided emergency shelter, food, clean water, and medical supplies to help people affected by the disaster. Additionally, international support and donations played a crucial role in the recovery and rebuilding efforts in the affected regions.
Can eruptions cause global cooling?
Yes, volcanic eruptions can cause global cooling by releasing ash and sulfur dioxide into the atmosphere. These particles can scatter sunlight and reduce the amount of solar radiation reaching the Earth's surface, leading to a cooling effect.
How big was the cyclone that caused the tsunami in Thailand?
The tsunami that struck Thailand in 2004 was not caused by a cyclone, no tsunami is. Like most tsunamis, it was triggered by an earthquake. Estimated of its size range between magnitude 9.1 and 9.3
Do tsunami waves occur in the middle of the ocean?
Tsunami waves can occur in the middle of the ocean as a result of undersea earthquakes or landslides. These waves may not be as noticeable in open ocean areas due to their long wavelengths, but they can build up in height and strength as they approach coastal areas.
How many lives were lost in the Aleutian Tsunami on April 1st 1946?
There were 5 deaths at Scotch Cap, 159 in Hawaii and 1 at Santa Cruz. 165 in total.
What is the most common commercial fish in the pacific ocean?
The most common commercial fish in the Pacific Ocean is the skipjack tuna (Katsuwonus pelamis). It is widely fished for its meat, which is used in canned tuna products and sushi.
Where do tsunamis happen the most in US?
Tsunamis are most likely to occur on the west coast of the United States, particularly in the states of Alaska, Hawaii, Washington, Oregon, and California. These areas are prone to undersea geological activity, such as earthquakes and volcanic eruptions, that can trigger tsunamis.
What impact did mount Krakatoa have?
August 27th, 1883. Series of blasts on the Island of Krakatoa blew the island apart and was one of the largest eruptions in history. The hot gases and rock (Pyroclastic flows) consumed ships as far as 40 kilometers away. The eruption generated tsunamis as high as 40 meters high that devestated nearby coastlines. The final death toll was 36,417. The sound of the final explosion was heard over 4,500 kilometer away and covered 1/13th of the Earth's surface.
Do tsunamis kill fish in the ocean?
Tsunamis can kill fish in the ocean as they disrupt underwater habitats, such as coral reefs and coastal ecosystems, where fish live. The strong currents and forces of a tsunami can injure or kill fish by throwing them against debris or structures.
Is Yucatan Mexico safe from hurricanes earthquakes volcanoes and tsunamis?
Yucatan, Mexico is at a low risk for hurricanes, earthquakes, and volcanoes. However, it is still susceptible to tsunamis due to its proximity to the Gulf of Mexico and the Caribbean Sea. It's important to stay informed and prepared in case of any natural disasters.
How many people died in the 2001 26 tsunami?
Approximately 230,000 people lost their lives in the 2004 Indian Ocean tsunami.
How often do earthquakes occur in Taiwan?
Since Taiwan is located on the circum-Pacific seismic zone, earthquake occurrence is quite frequent, and strong earthquakes occur quite often as well. According to the Central Weather Bureau's earthquake monitoring information between 1900~1990, the average number of earthquakes in Taiwan is approximately 2,200 per year, of which, approximately 214 can be felt. After the major renewal of the CWB Seismic Network in 1991, the ability of earthquake detection improved drastically. The annual average number of earthquakes recorded from 1991 to 2004 increased to 18,649 (monthly average was approximately 1,554), of which approximately 1,047 were felt. In 1999, Taiwan had the highest number of earthquakes, mainly due to the influence of the Jiji (Chi-Chi) earthquake; there were 49,919 earthquakes, including 3,003 quakes felt. Based on the statistical analysis of catastrophic earthquake information, there have been 96 catastrophic earthquakes since 1900.
Tidal refers to phenomena related to the regular rise and fall of ocean water levels caused by gravitational forces from the moon and sun. Non-tidal refers to areas that are not influenced by these regular tidal patterns, such as lakes, rivers, and some groundwater systems.
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How many people were killed by the biggest tsunami ever?
The largest Tsunami ever recorded (Lituya Bay, Alaska, 1958) killed only 2 people as it occurred in a very remote area.
A tsunami is a huge ocean wave that can travel at speeds up to 600 mi/hr (965 km/hr), hundreds of miles over open sea before it hits land. Sometimes incorrectly called a tidal wave, a tsunami is usually caused by an earthquake, volcanic eruption or coastal landslide.
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a really big wave
Can a large ship in the ocean feel a tsunami?
Yes, a large ship in the ocean will likely feel the effects of a tsunami passing underneath it, causing it to rise and fall with the passing wave. However, because of a ship's size and weight, it is less affected by tsunamis compared to smaller vessels. The crew might notice the ship rising and falling, but it is unlikely to cause significant damage to the ship itself.
