Fire, Flood, Pestilence ... and now an Earthquake!

Status
Not open for further replies.
Seemingly a 6.0 earthquake NE of Melbourne


Evidently a 6. Centred near Mansfield. Second tremor was 4.
It was also the loudest that I have ever heard by far in Melbourne. Normally I just feel them. This one you very much heard as well.

From a Melbourne perspective it was the largest and longest tremor that I have felt

Isolated damage. But pretty much no damage in most locations.
ie Off Chapel St South Yarra

1632269831880.png

In that pic, the roof and supporting structure is new, and the new structure may not have been tied properly to the masonry wall at the top, allowing it to flex more in the tremor. Masonry walls are typically weak and need to be tied.
 
Last edited:
The Frequent Flyer Concierge team takes the hard work out of finding reward seat availability. Using their expert knowledge and specialised tools, they'll help you book a great trip that maximises the value for your points.

AFF Supporters can remove this and all advertisements

At first I though a big truck was driving down my road, then realised what was happening. That was a big one! Someone on twitter posted a map of fault lines in Melbourne and I live right on top of one.
 
So it is not only civil society that is imploding in Melbourne then ..... ;)
 
Evidently a 6. Centred near Mansfield. Second tremor was 4.
It was also the loudest that I have ever heard by far in Melbourne. Normally I just feel them. This one you very much heard as well.

From a Melbourne perspective it was the largest and longest tremor that I have felt

Isolated damage. But pretty much no damage in most locations.
ie Off Chapel St South Yarra

View attachment 259152

In that pic, the roof and supporting structure is new, and the new structure may not have been tied properly to the masonry wall at the top, allowing it to flex more in the tremor. Masonry walls are typically weak and need to be tied.
Interesting........I did wonder if that building was somehow compromised
 
So it is not only civil society that is imploding in Melbourne then ..... ;)

Epicenter pretty much in the middle of nowhere. 38km south Mt Buller. So up in the hills where it mainly just bush.

Only a tremor in Melbourne and in any regional town. Though one you certainly felt and heard.

1632270773829.png
 
Interesting........I did wonder if that building was somehow compromised

As per my pic and comment above:

In that pic, the roof and supporting structure is new, and the new structure may not have been tied properly to the masonry wall at the top, allowing it to flex more in the tremor. Masonry walls are typically weak and need to be tied.

But many possibilities. Masonry facades in earthquakes that fall often do so if not tied back to the structure properly. It may never have been tied (and in particular the top part of the wall may not have been tied if it was built up above the old roofline. The old ties may have corroded. Or the ties at the top where the new work may have been removed and not reinstated, or if so not reinstated adequately.

Or the wall may have had other flaws.

PS. I am an engineer.
 
Last edited:
Masonry facades in earthquakes that fall often do so if not tied back to the structure properly. I

Similar comment on the Whirlpool forum.

Back in the newcastle earthquake, nearly all obvious failures involved early 20th century buildings – particularly parapets.

I worked on the odd parapet or 2, and ones that were supported back to the roof structure were fine, though cracked – ones that just sat by virtue of weight and lime mortar and aligned away from the epi centre fell onto the street below.

just relevant to that bit of damage I've seen so far – as opposed to the major structural failures that happened in newcastle.

I'd also bet pounds to peanuts that the geology of that local area is also sandy – thats where most damage of that nature happened in newcsatsle
 
Status
Not open for further replies.
Back
Top