Whereas a large wave caused by a storm might have a wavelength of up to 150m, a tsunami could reach up to a fearsome 1,000km! How fast is a tsunami?Ī normal wind wave travels at about 90kmh, but a tsunami can race across the ocean at an incredible 970kmh! Sometimes, before a tsunami hits, there is a huge vacuum effect, sucking water from harbours and beaches. They can rise 35m or higher – that’s the same as a 10-floor block of flats! However, the scariest thing about a tsunami is its wavelength, as this determines how far inland it can travel. However, as the water becomes shallow, the waves slow down and begin to grow. Out in the open ocean, tsunami waves are only about one-metre high because the water is deep. Underwater landslides or volcanic eruptions can also displace water (cause water to spread across the ocean) and may lead to a tsunami. If an earthquake lifts or drops part of the ocean floor, the water above rises and starts spreading across the ocean, causing a tsunami. Sometimes, though, the plates get stuck, the pressure builds up and they suddenly slam into a new position. Giant slabs of the Earth’s crust, called tectonic plates, grind together. Meaning “ great harbour wave” in Japanese, tsunamis are sometimes called “tidal waves” but their strength has nothing to do with the tides. About four out of five tsunamis happen within the Ring Of Fire, a zone in the Pacific Ocean where earthquakes and volcanic eruptions frequently take place. ![]() They can speed across the ocean as fast as a jet plane, swallow up islands and wipe out villages.īut what causes tsuamis…? Join National Geographic Kids and dive into our tsunami facts to find out! Tsunami facts What causes a tsunami? Three tapes are now known as “The Minnesota Tapes”.A tsunami (soo-NAH-mee) is one of the world’s most powerful and destructive natural forces. Like the Karen Wallace Tapes, Bob wanted to listen to his voice so to improve his skills as a new folk singer. Before Bob went to New York, he stayed a while in Minneapolis with a couple of friends and folk music fans such as Tony Glover, Bonnie Beecher (Bob’s girlfriend at the time) and many more. Ramblin’ Round (Woody Guthrie) 2:39:48Īnother video from Bob Dylan early years! This time, we are in Minneapolis with the classic Minnesota Tapes. See That My Grave Is Kept Clean (Blind Lemon Jefferson) 2:36:11Ģ5. VD Gunner’s Blues (Woody Guthrie) 2:33:35Ģ4. Baby Let Me Follow You Down (Eric Von Schmidt) 2:14:16ġ7. In The Evening (Brownie McGhee) 2:10:19ġ5. I Was Young When I Left Home – Cut-out for copyrightġ4. Wade In The Water (trad.) – Cut-out for copyrightġ3. by John & Alan Lomax) – Cut-out for copyrightĩ. I Ain’t Got No Home (Woody Guthrie) 1:57:05Ĩ. Hard Times In New York Town – Cut-out for copyrightĤ. Baby Please Don’t Go (Big Joe Williams) 1:46:11ģ. The Home Of Bonnie Beecher, Minneapolis, MN (22nd December 1961) ġ. James Alley Blues (Richard Brown) 1:38:08Ģ5. Man Of Constant Sorrow (trad.) 1:26:39Ģ4. Will The Circle Be Unbroken (A.P Carter) 1:25:37Ģ1. Devilish Mary (Bess Lomax Hawes) 1:19:50Ģ0. San Francisco Bay Blues (Jesse Fuller) 1:13:08ġ7. I Want My Milk (Woody Guthrie) 1:10:08ġ6. ![]() Don’t Push Me Down (Woody Guthrie) 1:06:00ġ5. Two Trains Runnin’ (McKinley Morganfield) 56:21ġ3. This Land Is Your Land (Woody Guthrie) 52:32ĩ. Pastures Of Plenty (Woody Guthrie) 46:31Ĩ. ![]() Talking Fish Blues (Woody Guthrie) 40:27ħ. This Train Is Bound For Glory (Big Bill Broonzy, arr. Unidentified Coffehouse, Minneapolis, MN (May 1961) Ģ. ![]() San Francisco Bay Blues (Jesse Fuller) – Missing Talking Merchant Marine (Woody Guthrie) 17:33ġ3. The Home Of Bob Dylan, Minneapolis, MN (September 1960) Ģ. Bob Dylan – The Complete Minnesota Tapes (1960-1961)
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