Earthquakes have occurred in Western Australia (WA) on a regular basis throughout its geological history.
In 1849, the first earthquake following European settlement in WA was recorded. "On Saturday last, about a quarter past four o'clock a.m., several inhabitants of Perth were awoke by what they conceived to be a slight shock of an earthquake."[1][2][3]
The largest earthquake affecting Western Australia in modern times was an offshore earthquake in 2019, occurring 202 km west of Broome at a magnitude of 6.6 causing minor damage in the town itself. The strongest earthquake with its epicentre on land is the magnitude 6.5 Meckering earthquake of 1968, which caused injuries to at least 17 people and extensive property damage; it was the best-known earthquake in Western Australia the late twentieth century. The previous largest earthquake documented occurred in 1941, at Meeberrie, in the Murchison region. Like many earthquakes it remained little known, due to its lack of impact on urban areas. Initially reported at magnitude 7.2 – 7.3 it was eventually revised down to 6.3 by Geoscience Australia in 2016. The Meckering quake was also revised down from 6.9 to 6.5 in the same year but in the process overtook the Meeberrie quake in strength.[4]
^Report of an earthquake felt in Perth on 4 Aug. 1849. The Inquirer, 8 Aug. 1849, p.3a – see also Report of an earthquake at Cossack on Sept. 10 1886 Western mail, 18 Sept. 1886, p.17
^"Earthquake Image Gallery". Geoscience Australia. Archived from the original on 9 June 2009. Retrieved 1 January 2010.
^Jones, T.; Middelmann, M.; Corby, N.; Academy of the Social Sciences in Australia; Institute of Australian Geographers; Geoscience Australia (2005). Heathcote, R.L.; Thom, B.G. (eds.). Natural hazard risk in Perth, Western Australia(PDF). Australian Government/Geoscience Australia/Bureau of Meteorology. ISBN 1920871438. Archived from the original (PDF) on 12 February 2014.
^Australia, Geoscience (12 May 2016). "Tennant Creek 1988 earthquake now Australia's biggest after Geoscience revises list". ABC News. Retrieved 14 July 2019.
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