What is tsunami explain in detail?
Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. Out in the depths of the ocean, tsunami waves do not dramatically increase in height. Tsunami waves may travel as fast as jet planes over deep waters, only slowing down when reaching shallow waters.
Who first discovered tsunamis?
The oldest recorded tsunami occurred in 479 BC. It destroyed a Persian army that was attacking the town of Potidaea in Greece. As early as 426 BC, the Greek historian Thucydides inquired in his book History of the Peloponnesian War (3.89. 1–6) about the causes of tsunamis.
When was the first tsunami in the Philippines?
August 17, 1976
The 1976 Moro Gulf earthquake and tsunami took place on August 17, 1976, at 00:11 local time near the islands of Mindanao and Sulu, in the Philippines….1976 Moro Gulf earthquake.
| Tsunami damage at Lebak, Mindanao | |
|---|---|
| Show map of Mindanao Show map of Philippines Show all | |
| Tsunami | Yes |
| Casualties | 5,000–8,000 killed 10,000 injured 90,000 homeless |
Where is the first tsunami?
History of the Tsunami According to the National Geophysical Data Centre, the first recorded tsunami occurred off the coast of Syria over four thousand years ago. When the island volcano of Krakatoa, Indonesia, exploded in 1883, tsunamis swept as far away as the English Channel.
What are the 3 types of tsunamis?
Tsunami – Information Page
- Distant tsunami: Are generated from a long way away, such as from across the Pacific in Chile.
- Regional tsunami: Are generated between one and three hours travel time away from their destination.
- Local tsunami: Are generated very close to New Zealand.
What is a tsunami Class 9?
A tsunami is giant waves generated by earthquake, volcanic eruptions and underwater landslides. These waves cause a huge loss to human life and properties in coastal areas. These waves travel at a very high speed of more than 500km/hour, and the length of the waves may exceed 600km.
Who named tsunami?
In Japan, the first recorded use of the word “tsunami” occurred well over 1,000 years ago. Tuesday, a boat lay aground after being washed inshore near Sendai. The word “tsunami” is originally a Japanese word, but today it’s commonly used in English.
Why is tsunami named tsunami?
The word tsunami (pronounced tsoo-nah’-mee) is composed of the Japanese words “tsu” (which means harbor) and “nami” (which means “wave”). Thus, the Japanese word “tsunami”, meaning “harbor wave” is the correct, official and all-inclusive term.
What is tsunami in the Philippines?
The Philippines is frequently visited by tsunamis. On 17 August 1976, a magnitude 8.1 earthquake in Moro Gulf produced up to 9-meter high tsunamis which devastated the southwest coast of Mindanao and left more than 3,000 people dead, with at least 1,000 people missing.
Was there a tsunami in the Philippines?
Tsunamis in the Philippines are rare but could be devastating. In the past, 38 people drowned as a result of a tsunami caused by a magnitude 7.1 earthquake in Mindoro on November 15, 1994.
Who named tsunamis?
The term “Tsunami” comes from the Japanese word for harbor (tsu) and wave (nami). The origins of the word are not surprising given that the majority of tsunamis occur within the Pacific Ocean and vicinity of Japan.
What is the largest tsunami?
1958 Lituya Bay earthquake and megatsunamiTsunami / Biggest
In fact, the largest tsunami wave ever recorded broke on a cool July night in 1958 and only claimed five lives. A 1,720 foot tsunami towered over Lituya Bay, a quiet fjord in Alaska, after an earthquake rumbled 13 miles away.