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The BMR was a geological survey with the main objective was the systematic geological and geophysical mapping of the continent as the basis for informed mineral exploration. [ 6 ] Geoscience Australia's activities have expanded and today it has responsibility for meeting the Australian Government's geoscience requirements.
The South West seismic zone (also identified as SWSZ) is a major intraplate earthquake province located in the south west of Western Australia. [1] [2] [3]It was known earlier as the Yandanooka–Cape Riche Lineament, [4] including the physiographic boundary known as the Meckering Line, and also the junction between Swanland [clarification needed] and Salinaland [clarification needed].
Geological Society of Australia Special Publication 15. Day RW et al. 1983. Queensland geology: a companion volume to the 1:2,500,000 scale geological map (1975). Geological Survey of Queensland Publication 383. Drexel JF et al. 1993–1995. The geology of South Australia. Geological Survey of South Australia, Bulletin 54 (2 v.)
Strongest earthquake recorded in Australia since the 1988 Tennant Creek earthquake. New South Wales: Appin: 1999-03-17 4.8 65 kilometres (40 mi) southwest of Sydney. Depth only 3.2 km. Felt in Sydney and caused 1000 homes to lose power. [38] Victoria: Boolarra: 2000-08-29 5.0 Caused minor damage.
A magnitude 6.8 earthquake struck Kokopo, Papua New Guinea on September 26 at a depth of 40.0 km (24.9 mi). A magnitude 7.5 earthquake struck the Volcano Islands on September 28 at a depth of 120.0 km (74.6 mi). A magnitude 6.9 earthquake struck the Northern Mariana Islands on September 30 at a depth of 14.0 km (8.7 mi).
This is a list of earthquakes in 2025. Only earthquakes of magnitude 6 or above are included, unless they result in significant damage and/or casualties. All dates are listed according to UTC time. The maximum intensities are based on the Modified Mercalli intensity scale. Earthquake magnitudes are based on data from the USGS.
According to the United States Geological Survey, the earthquake was the result of strike-slip faulting at a shallow depth of 12 km, while Geoscience Australia placed the depth at 10 km. [2] The European-Mediterranean Seismological Centre reported the focal depth at 2 km. [6] A preliminary insight of the quake of such magnitude suggest a ...
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."