The 10 most destructive tsunamis in history
2011年3月16日 · This tsunami is also the most widely recorded, with nearly one thousand combined tide gauge and eyewitness measurements from around the world reporting a rise in wave height, including places in the US, the UK and Antarctica. An estimated US$10b of damages is attributed to the disaster, with around 230,000 people reported dead. 2.
Tsunamis: how they form - Australian Geographic
2011年3月18日 · Indian Ocean tsunami tracking system – a new technology Once a tsunami has been generated, scientists can accurately forecast the when (to within a couple of minutes) and the where it will hit coastline. Prior to the 2004 tsunami, though, there was no tsunami warning centre in the Indian Ocean, so warnings issued were slow or non-existent.
On this day in history: 2004 Boxing Day tsunami
2014年12月18日 · This operates 24 hours-a-day and a tsunami warning coming out the joint tsunami centre takes about 15 minutes. “Australia is fortunate because we are a few hours distant from the closest sources of fatalities,” says Professor Phil Cummins, a natural hazards expert at the Australian National University and Geoscience Australia.
Explainer: how to prepare for a tsunami - Australian Geographic
Keep a look out for any tsunami warnings signs. (Source: Flickr/thumbnail16, CC BY) On arrival, perhaps as you check into your hotel, ask your host about how tsunami warnings are disseminated and where the tsunami evacuation routes are. Find out where the nearest high ground is (at least 20m above sea level) and work out how you get there.
Japan tsunami a rare ‘double wave’ - Australian Geographic
2011年12月8日 · ‘One-in-10 million chance’ of double tsunami wave sighting “It was a one-in-10-million chance that we were able to observe this double wave with satellites,” said Tony Song, of NASA’s Jet Propulsion Laboratory, which partnered with Ohio State University for the study.
Tsunami: terror from the sea - Australian Geographic
2010年12月19日 · What to do in a tsunami alert. If a tsunami warning is issued, it’s vital that people heed it, Geoff stresses. The 8.8 magnitude quake off the coast of Chile in February unleashed a tsunami that took half a day to reach us, giving time to get warnings out. Despite beach closures on the east coast, many people still swam.
Making waves: the tsunami risk in Australia - Australian Geographic
2016年8月3日 · A tsunami of this size would be comparable to what Australia experienced during the 2011 Japanese Tohoku tsunami. In northwest Western Australia, the maximum wave height likely to occur once every 100 years increases to up to 1m. In contrast, in South Australia, the largest wave likely to be experienced at this time scale is 0.2m.
Cyclone Tracy 50 years on - Australian Geographic
2024年12月12日 · Given the level of damage, there was no question building regulations needed to change. “It was the worst disaster due to building failure in Australian history, and it was an engineering failure,” George R Walker, a structural engineer and academic, wrote in 2010 in the Australian Meteorological and Oceanographic Journal.
The world’s 10 most devastating volcanic eruptions
The explosion of Mt. Unzen remains Japan’s deadliest volcanic eruption. The explosion collapsed the dome of the volcano, generating a massive landslide that buried the city of Shimabara and flowed into the ocean, triggering a tsunami 57m high. The catastrophe killed about 15,000 people.
Earthquakes: the 10 biggest in history - Australian Geographic
2011年3月14日 · In terms of damage and loss of life, the scale of the disaster caused by the resulting Boxing Day Tsunami was enormous. In total, 227,900 people were killed or presumed dead, with around 1.7 million displaced over 14 countries in South Asia and East Africa. The epicentre was 250 km south-east of Band Aceh, Indonesia, at a depth of 30 km.