Articles | Volume 11, issue 2
https://doi.org/10.5194/se-11-691-2020
https://doi.org/10.5194/se-11-691-2020
Research article
 | 
30 Apr 2020
Research article |  | 30 Apr 2020

Surface deformation relating to the 2018 Lake Muir earthquake sequence, southwest Western Australia: new insight into stable continental region earthquakes

Dan J. Clark, Sarah Brennand, Gregory Brenn, Matthew C. Garthwaite, Jesse Dimech, Trevor I. Allen, and Sean Standen

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Latest update: 18 Jul 2024
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Short summary
A magnitude 5.3 reverse-faulting earthquake in September 2018 near Lake Muir in southwest Western Australia was followed after 2 months by a collocated magnitude 5.2 strike-slip event. The first event produced a ~ 5 km long and up to 0.5 m high west-facing surface rupture, and the second triggered event deformed but did not rupture the surface. The earthquake sequence was the ninth to have produced surface rupture in Australia. None of these show evidence for prior Quaternary surface rupture.