20110311 Sendai, Japan Earthquake and Tsunami
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20110311 Sendai, Japan Earthquake and Tsunami. Source: NASA. Page created by W. G. Huang. Credit: JMA. Page created by W. G. Huang. The depth of the Pacific Ocean floor. Credit: NOAA. Tsunami Wave Height Model Shows Pacific-Wide Impact. Credit: NOAA.

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20110311 Sendai, Japan Earthquake and Tsunami

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20110311 sendai japan earthquake and tsunami

20110311 Sendai, Japan Earthquake and Tsunami

Source: NASA

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

Credit: JMA

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

The depth of the Pacific Ocean floor

Credit: NOAA


20110311 sendai japan earthquake and tsunami

Tsunami Wave Height Model Shows Pacific-Wide Impact

Credit: NOAA


20110311 sendai japan earthquake and tsunami

How Shifting Plates Caused the Earthquake and Tsunami in Japan

Source: U.S. Geological Survey

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

Credit: NOAA

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

Source: NOAA

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

Swirling waves on the coast at Oarai, Ibaraki prefecture Photograph: AP

Credit: Guardian Unlimited

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

A tsunami wave washes away buildings in Sendai, Miyagi prefecture Photograph: Keystone/Rex Features

Credit: Guardian Unlimited

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

People on top of a building at Sendai airport Miyagi prefecture as cars, planes and debris are swept past Photograph: Kyodo/Reuters

An office building on fire in Tokyo Photograph: Kyodo/Reuters

Credit: Guardian Unlimited

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

  • Water surges through Iwaki, Fukushima prefecture Photograph: AP

Credit: Guardian Unlimited

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

Houses ablaze in Natori city, Miyagi prefecture Photograph: AFP/Getty Images

Credit: Guardian Unlimited

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

Water surges through part of Kesennuma city in Miyagi prefecture Photograph: AFP/Getty Images

Credit: Guardian Unlimited

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

The sea engulfs homes in Natori, Miyagi prefecture Photograph: Keystone/Rex Features

Credit: Guardian Unlimited

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

Natural gas storage tanks burn at the Cosmo oil refinery, Ichihara, Chiba prefecture Photograph: Reuters

Credit: Guardian Unlimited

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

The Fukushima Nuclear Power Plant

Aerial view of the plant

The Fukushima Nuclear Power Plant

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

This is a satellite image of Japan showing damage after an Earthquake and Tsunami of the Kengaya bridge

Credit: DigitalGlobe

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

This is a satellite image of Japan showing damage after an Earthquake and Tsunami at the Fukushima Dai-Ni Nuclear Power plant.

Credit: DigitalGlobe

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

This is a satellite image of Japan showing damage after an Earthquake and Tsunami at the Fukushima Dai-Ichi Nuclear Power plant.

Credit: DigitalGlobe

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

This is a satellite image of Japan showing damage after an Earthquake and Tsunami at the Sendai Port, Japan.

Credit: DigitalGlobe

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

This is a satellite image of Japan showing damage after an Earthquake and Tsunami at the Kirin Plant, Sendai.

Credit: DigitalGlobe

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

2004 年蘇門達臘地震所觸發之巨大海嘯

Running for their lives!!!

Map credit: http://www.asiantsunamivideos.com/

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

2004年12月26日南亞地震海嘯可侵入內陸達四公里

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

Banda Aceh Shore

海嘯前(攝於2004年6月23日)與海嘯後(攝於2004年12月28日)之衛星影像

Image Credit: “DigitalGlobe”

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

Banda Aceh Shore

海嘯前(攝於2004年6月23日)與海嘯後(攝於2004年12月28日)之衛星影像

Image Credit: “DigitalGlobe”

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

Kalutara Water Detail (斯里蘭卡)

海嘯前(攝於2004年1月1日)與海嘯入侵前之退潮(攝於2004年12月26日)之衛星影像

150 公尺

首都 可倫波

Kalutara

Image Credit: “DigitalGlobe”

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

2004 年蘇門達臘地震的死亡人數:298,055

孟加拉

2

阿拉伯海

孟加拉灣

緬甸

59

泰國

8,506

印度

16,389

斯里籣卡

43,832

馬爾地夫

82

東非

137

馬來西亞

74

印尼

228,948

Map Credit: Guardian Unlimited

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

1900年以來發生於世界各地的大地震

Maule, Chile

2010 02 27 Mw 8.8

Sandai, Japan

20110311 Mw 8.8

Source: USGS

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

海嘯 (Tsunami)

海嘯的英文通常被稱為Tsunami (發音: soo-NAH-mee),來自日語「津波」,”tsu”指港口(harbor) ,”nami”指波浪(waves)。目前已愈來愈少人使用tidalwave,以便和潮汐作區別。海嘯是指海洋中綿延數百公里的波浪,在廣闊的深海大洋中其行進速度最快可高達每小時1000公里左右,2004年12月26日印尼蘇門答臘地震所引發的海嘯在75分鐘內便前進了600公里(亦即時速480公里/小時)。海嘯在靠近淺水區的速度則驟降,可疊加形成高度達數十公尺的水牆,這些水牆對海岸地區的衝擊往往能釀成巨大的傷亡。

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

Tsunami Generation:

This animation by Prof. Miho Aoki from the University of Alaska Fairbanks Art Department provides a very nice look at how a tsunami can be generated by a subduction zone earthquake.


20110311 sendai japan earthquake and tsunami

Earthquake-generated tsunamis

  • Seafloor deformed by earthquake

  • Wave initiated with small amplitude and high speed in deep water

  • Speed decreases and amplitude increases in shallow water

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

海嘯和一般的風所引起海浪兩者有許多的不同,主要的差異在於它們的來源,速度與尺度的大小

Tsunamis and normal waves are many differences between the two. The primary differences are size, speed and source.

Page created by W. G. Huang


20110311 sendai japan earthquake and tsunami

Pacific Tsunami Warning Center PTWC

Alaska Tsunami Warning Center

ATWC

Alaska

DART station

The PTWC was established in 1948, following the 1946 tsunami in Hawaii that left more than 150 people dead.

The ATWC was established in 1967 as a result of the 1964 9.2 earthquake in Alaska that left 132 dead—122 of those deaths have been attributed to the tsunami that was generated.

Hawaii

Pacific Tsunami Warning Center

PTWC

黃色表地震帶

Photo courtesy DART

Map Credit : U.S. National Oceanic & Atmospheric Administration (NOAA) and U.S. National Tsunami Hazard Mitigation Program

Page created by W. G. Huang


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