Seismic Activity Australia
Earthquakes are very common in any part of Australia. There are certain regions that are more prone to earthquakes than others. If you live in Hobart, you should not be worried. But the West Australian wheatbelt and the Flinders Ranges of South Australia is the area most prone to seismic activities. Another relatively active earthquake region is the eastern Australia region.
Fatal Earthquakes
There are three earthquakes in Australia that caused deaths. The first is the earthquake in Warooka during 1902 at 6.0 magnitude killing two people due to heart attacks. Next is the Gayndah earthquake in Queensland back in 1935 killing one person. Among all the earthquakes, the Newcastle earthquake during 1989 at 5.6 magnitudes was the most significant killing 13 people. The deaths were mostly caused by the structures that collapsed during the earthquake. Another reminder how important is to have life insurance in Australia.
Seismic Activity Level of Risk
The Newcastle earthquake during 1989 is proof that Australia is very active seismically and very prone to earthquakes. However, compared to the plate margin regions of other countries prone to earthquake such as japan and California, the earthquake in Australia is relatively moderate to high when it comes to the level of seismic activities and earthquakes. The level of risk when it comes to earthquakes in Australia is not as worse compared with other earthquake prone countries like California. The earthquake and seismic activities in Australia have levels that are 5 to 10 times lower compared with California. The biggest anticipated earthquake that may happen in Australia is estimated to be around 7 in magnitude. This is predicted by looking at the Tennant Creek earthquake back in 1988 which was 6.9. This is stronger than the Northridge earthquake somewhere in Los Angeles in 1994 at 6.7 in magnitude. There are other earthquakes that reach around 7 in magnitude, sometimes even exceeding seven, in the offshore areas of Australia.
Most Significant
Even though the earthquake in Newcastle, NSW during December 1989 is the most significant earthquake when it comes to damage and death toll; the earthquake in Tennant Creek during 1988 was stronger. The latter has six earthquake occurrences in just one day. It was also followed by a lot of aftershocks numbering to thousands. Up until now, there are still aftershocks occurring in that area. There was some complex surface rupture occurring in that area as well. So if you want to buy investment property in that area, you should consider structural damages over years. The latter earthquake may be more significant if the power is considered. Good to know that there were no damages to a nearby city of Batemans Bay.
After these two events the next big earthquake occurrence was in Cockatoo in the northern regions of Australia back in August 1997 with a magnitude of 6.3. After the 1997 earthquake in Cockatoo, a swarm of earthquakes occurred in Burakin, Waback in 2000 to 2002. The earthquakes that occurred in that area reached a magnitude of five and even more. Another large earthquake occurrence was during February 11, 2004 at Mt. Redvers, N.T. somewhere near the border of West Australia. No casualties occured but a lot of people were injured in the city of Geraldton. Best way to protect yourself if you unable to work due to injury is to have income protection insurance. These are some of the most significant earthquakes in Australia that shows how active the seismic activities in Australia are.
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