Text in this Example: Tsunamis Tsunamis (pronounced soo-ná-mees), also known as seismic sea waves (mistakenly called “tidal waves”), are a series of enormous waves created by an underwater disturbance such as an earthquake, landslide, volcanic eruption, or meteorite. This worksheet diagrams the physics behind tsunami formation, which starts with an earthquake or volcanic eruption under the ocean.
See more ideas about Tsunami, Science projects, Natural disasters.
A tsunami can move hundreds of miles per hour in the open ocean and smash into land with waves as high as 100 feet or more. The runup can cause tremendous damage inland and is much more common than huge, thundering tsunami waves. Categories In deep water it travels as fast as 800 km (500 miles) per hour, with enormous wavelengths of about 100 to 200 km (60 to 120 miles) but small …
The first wave of a tsunami may not be the biggest.
Features This is a thumbnail of the "Label the Label the Tsunami Hitting the Coast" page. Vintage newsreels show the terrible destruction that a tsunami brought to Hilo, Hawaii, in 1946.The aftermath of the December 2004 tsunami in Aceh, Indon.After being generated by an undersea earthquake or landslide, a tsunami may propagate unnoticed over vast reaches of open ocean before cresting in shallow water and inundating a coastline.John Rafferty, associate editor of Earth sciences at Encyclopædia Britannica, discussing tsunamis.A magnitude-8.3 earthquake centred out to sea some 46 km (28.5 miles) west of Illapel, Chile, struck on September 16, 2015, producing widespread damage from shaking and tsunami waves measuring at least 4 metres (13 feet) high that lashed port towns such as Coquimbo. There may be bigger and stronger waves to come. This is a thumbnail of the "Label the Label the Tsunami Hitting the Coast" page.
Apr 9, 2015 - Explore yazhur's board "Tsunami Model" on Pinterest.
How fast is a tsunami? Check out Britannica's new site for parents!
The full-size printout is available only to site members. Our editors will review what you’ve submitted and determine whether to revise the article.After an earthquake or other generating impulse occurs, a train of simple, progressive oscillatory waves is On March 11, 2011, seafloor displacement resulting from a magnitude-9.0 earthquake in the Other tsunamis of note include those that followed the spectacular explosive eruption of the Search Britannica Photos taken before and after the arrival of a massive tsunami highlight the destruction of Banda Aceh, Indonesia, on December 26, 2004. Login
The warning system in the Pacific Ocean is called the DART system which stands for Deep-ocean Assessment and Reporting of Tsunamis. Articles from Britannica Encyclopedias for elementary and high school students. The tsunami was generated by a magnitude-9.1 earthquake that occurred only 30 metres (98 feet) beneath the floor of the Indian Ocean.A massive tsunami, generated by a powerful undersea earthquake, engulfing a residential area in Natori, Miyagi prefecture, northeastern Honshu, Japan, on March 11, 2011.Map showing the extent of the tsunami generated by the Chile earthquake of 1960.
The series of waves generated by a tsunami is called a wave train.
A tsunami is a series of ocean waves that sends surges of water, sometimes reaching heights of over 100 feet (30.5 meters), onto land. Download Worksheet See in a set (15) A normal wind wave travels at about 90kmh, but a tsunami can race across the ocean at an incredible 970kmh! Get exclusive access to content from our 1768 First Edition with your subscription. At landfall, a tsunami wave can be hundreds of meters tall.
Sometimes, before a tsunami hits, there is a huge vacuum effect, sucking water from harbours and beaches.
Purple Eye Entertainment BV PO Box 338 1400 AH Bussum The Netherlands Tel.....: +31-(0)35-69.58.451 Fax....: +31-(0)35-69.58.185 E-mail: info@purple-eye.com The full-size printout is available only to site members. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... People can see the ocean floor …
The word "tsunami" means "harbor wave" in Japanese. Tsunami, catastrophic ocean wave, usually caused by a submarine earthquake, by a landslide, or by a volcanic eruption.
Steeper shorelines produce higher tsunami waves. In addition to large tsunami waves that crash onto shore, the waves push a large amount of water onto the shore above the regular sea level (this is called runup).