The 1954 earthquake is thought to have occurred along the Eden-Burnside Faultline, as seen in the maps below. The predicted risk of earthquakes in Adelaide. Change ), You are commenting using your Twitter account. The Cascadia Subduction Zone, Pacific Northwest . Myers, J. S. (1992) Pinjarra Orogen, in Geology and Mineral Resources of Western Australia: Western Australia Geological Survey, Memoir 3, 77-119. AEST = Australian Eastern Standard Time which is 10 hours ahead of GMT (Greenwich Mean Time), Scott Morrison says no action to be taken against ministers following Four Corners report, Australia in talks to expand travel bubble to parts of Asia, If you're on the JobSeeker payment, here's how much you can now expect to get, A '90 per cent effective' COVID vaccine is great news but it's not at the finish line yet, Live: US Attorney-General tells federal prosecutors they can investigate voter fraud claims, despite little evidence, Changes to Victoria's controversial gag laws fail to win support in Parliament, Australia's gas-led recovery likely to be a 'mirage', Some world leaders have stayed silent on Joe Biden's election victory. Map showing the location of several fault lines running through the Adelaide plains. Figure 5. Stay safe and informed with ABC's checklists & survival kits. “Australia is right in the middle of a plate and it’s not sitting on a major fault line,” Dr Fatahi said. Fault Lines Located in Australia Map data source courtesy : Geoscience Australia. ( Log Out / This map shows cities, towns, freeways, through routes, major connecting roads, minor connecting roads, railways, fruit fly exclusion zones, cumulative distances, river and lakes in South Australia. And this seems to be one of those examples.". "We have them on the inside of the plate and this is related to stresses that build up in the tectonic plate. Sourced from the Geoscience Australia Earthquake Database. "We'll have to wait and see what the data says before we can declare that there's a new fault line up there.". A team from Geoscience Australia has installed specialised equipment around Bowen to record every single aftershock since an earthquake in the region in April. Figure 4. "It's like a shudder closing in around you. "You get sort of phases of activity depending on the stresses that build up and the release of those stresses. Below is a map and table of all Earthquakes in Adelaide after the major earthquake of 1954, according to the Geoscience Australia Earthquake Database. ( Log Out / That's what it felt like inside the building - like a great noise sort of closing in you," he said. Some buildings collapsed or suffered substantial damage, but there were no fatalities and only 16 people were injured. Large earthquakes on the Australian mainland are rare but seismologists are monitoring the development of what could be minor fault lines in north Queensland. Simplified block diagram of the Adelaide fault lines (Sourced from the Government of South Australia website). An earthquake with a magnitude of 3.4 occurred several years later, in 2011, only 8km east of the epicentre of the Darlington earthquake, but caused no damage. The 1954 earthquake, while relatively low in magnitude, caused some damage because of its location. What are the most dangerous fault lines in the USA? "And 8:00 that night was the first one and it was not as bad of course as the first.". WESTERN Australia - home of the quokka, beach camels and most of the country's outback. Create a free website or blog at WordPress.com. The most recent large earthquake occurred near Darlington in 1954 with a magnitude of 5.4, with the highest recorded earthquake occurring in Beachport in 1887 with a magnitude of 6.5. And it's also home to one of the biggest fault lines in the world. Here's why, Driver in crash that killed 19yo pedestrian when passenger pulled car's handbrake denied bail, Aftershocks continue to shake north Queensland, NBN boss blames $600m blowout on bad address data, 'Peddlers of death' warned as police seize $9m cash from drug traffickers in WA, Tuk-tuk driver tells de Belin trial alleged victim's 'exact words' when trio reached apartment, Saeb Erekat, longtime spokesman for Palestinians, dies aged 65, 'It's been done by stealth': Indigenous health groups condemn 'urgent' legislation set to fast track liquor store decision, Australian archaeologists discover 2-million-year-old skull of distant human cousin, The US election has been called, but the result isn't official… yet. The University of Melbourne geologists have uncovered evidence that parts of South-eastern Australia recently stirred from their geological slumber and are in an active mountain building phase. Table of Adelaide earthquakes from 1955-2015 according to the Geoscience Australia Earthquake Database. Go back to see more maps of South Australia This correspond to the map in Figure 1. Follow our live coverage of the US election aftermath. Since the beginning of the year, a number of quakes have rattled the region from Innisfail to Mackay. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. "They don't occur on subduction zones or plate boundaries like in New Zealand or Japan," she said. Here's the current state of play, 'I was scared': Hilltop Hoods member describes in SA court being allegedly glassed at wake, 'This was kept secret': Unions 'blindsided' by NT budget pay freeze for public servants, Storm NRL premiership winner Suliasi Vunivalu to join Wallabies' training squad. ( Log Out / Geoscience Australia says it has been watching every movement in the last month to see if it points to a significant shift in the plates beneath Australia. In addition to being subjected to crustal stress, Adelaide has several fault lines running through it. Map showing the location of earthquakes from 1955-2015 in the Adelaide region. Figure 2. But Ms Mathews says the number and magnitude of these tremors suggest new minor fault lines are forming near Bowen. The Darling Fault is one of the longest and most significant faults in Australia, extending for at least 1500 km in a north–south orientation near the west coast of southern Western Australia.It is a major geological boundary separating the Archaean Yilgarn Craton in the east from the younger Pinjarra Orogen and overlying Phanerozoic Perth Basin to the west. The fault is located on the western edge of the Ridge Hill Shelf; a good reference point of its location is the point where the Great Eastern Highway passes over the current Eastern railway line in Bellevue. 1. "Generally earthquakes tend to occur in clusters around Australia," she said. By the time Lewis and Clark arrived on the West Coast in 1805, it had been 105 years since the Cascadia Subduction Zone last ruptured, sending a large portion of the Pacific Ocean roaring toward the coast. Mr Sievers says he was on edge after the recent disasters around the world. Map via USGS. Its main objective was to compile a World Map of Active Faults (Vladimir Trifonov, chairman). "We've currently got some temporary aftershock recorders at four sites south-west of Bowen," Geoscience team member Emma Mathews said. These mountains are being shaped by earthquakes, some reaching greater than 6 on the Richter scale. Change ), You are commenting using your Facebook account. The fault zone is very ancient and initially formed during the Proterozoic Eon.[1]. In the Perth area, the Darling Fault must once have coincided with the Darling Scarp, the abrupt escarpment immediately east of the city of Perth, but the scarp has since eroded eastward of the fault, leaving a formation of foothills known as the Ridge Hill Shelf. How do we measure earthquakes and predict them? Ms Mathews says a one-off quake on the Australian plate is usually followed up by many more smaller shakes. This page was last edited on 3 June 2020, at 10:23. Figure 3. Change ), You are commenting using your Google account. ( Log Out / This service may include material from Agence France-Presse (AFP), APTN, Reuters, AAP, CNN and the BBC World Service which is copyright and cannot be reproduced. Out of all the capital cities in Australia, Adelaide is at the highest risk of a major earthquake. "I just got a little bit of gear ready in a bag, like a set of shoes, long trousers, bottle of water and a life jacket.". South Australia is being compressed in an East to West direction at a rate of approximately 0.1-0.2mm per year, which causes a considerable amount of crustal stress.
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