Geoscience Reference
In-Depth Information
Table 2.1
Documented surface-rupturing earthquakes in Australia. Refer
to
Figure 2.1
for locations
Magnitude
(
M
W
)
Year
Location
Reference(s)
1968 Meckering, WA
6.6
1970
Calingiri, WA
5.5
1979
Cadoux, WA
6.1
1986 Marryat Creek, SA
5.8
1988
6.3-6.6
2008 Katanning, WA
4.7
2012
Ernabella, SA
5.4
*
Tennant Creek involved a series of three consecutive events within one day.
that the events might reflect continuing crustal adjustment relating to the Cadoux rupture
2.1
- 5), resulting in 13 fatalities and significant damage. The event was one of the most
Singh,
1988
;
Love,
1996
)
(
Figure 2.1
- 6, 7, 8) caused damage in South Australia; the
(Bathgate
et al
.,
2010
)
(
Figure 2.1
- 9, 10, 11, 12) events all caused damage in Western
Australia, as did the 1988 Tennant Creek sequence in the Northern Territory (Bowman,
1992
)
(
Figure 2.1
-2).
Several of the damaging earthquakes noted previously also ruptured the ground surface.
represents the seventh historic Australian event that can be unequivocally associated with
surface rupture (
Figure 2.1
;
Table 2.1
)
. All seven of these events ruptured non-extended
SCR cratonic crust
(
Figure 2.1
)
and involved a dominant reverse component to motion