The Mega Tsunami That Hit New South Wales: The Documentary

#megatsunami #newsouthwales #tsunami #australia #sydney #newcastle #naturaldisaster #naturalphenomenon #science #geology #geologist #geosciences #geoscience #tsunamis
In this video we have combined the two episodes on the Mega Tsunami that hit New South Wales for your viewing pleasure. We start in Jervis Bay and document the tsunamigenic damage that occurred there before moving onto the rest of Northern New South Wales. Beginning in Sydney and then moving over to Newcastle and beyond.

Link to the Research Paper:

Thank you so much for watching!
If you are not in a position to donate, I totally understand! The biggest supporting factor that you engage in is to watch our videos all the way to the end (very important for helping us rank) and to share them around so please consider doing this so that Youtube recommends our channel more.

If you are in a position to support our channel on Youtube Membership or by joining our Patreon, the link to all of this can be found below:

🎥 If you would like to support this channel, consider joining our Patreon:

Here's the link to my second channel: PaleoZoology -

Link to video on the Marsupial Lion:

Link to video on the Diprotodon:

Link to video on the Megalania:

Link to video on the Thunderbird:

👉 You can also click the "join" button to join our Youtube channel's membership. Every contribution helps to create more videos.

💥Link To Our Facebook:

🌏 About OzGeology
OzGeology is an Australian-based YouTube channel that specializes in creating high-quality documentaries on Earth sciences and natural disasters. The content is designed to be easy to digest and covers a wide range of topics, not only focusing on geology but occasionally exploring other scientific areas as well.

[OzGeologyOfficial]

This is a compilation of the two episodes that I released on this topic. I intend on covering Tura Point, Lord Howe Island, and Queensland in the near future.
If you would like to support this channel, consider joining our Patreon:
Here's the link to my second channel: PaleoZoology -

[jaclyn]

Can't wait for the Queensland episode. I love your channel. Thank you

[TammyPianta]

Looking forward to the next one! Really enjoying your channels Thankyou for the amazing content!

[Dingus]

I live in Warrnambool and now all I can see is chevrons

[codyhall]

Love this channel would love some field tour expeditions I’d pay for that

[virginialochowicz]

Thanks heaps for your videos, absolutely fascinating information

[houseofoddity]

My god this channel is incredible. Great content (as always). 👨‍🔬

[IGMA]

@6:50 you mention a tsunami about 300 to 400yrs ago. And there are Aboriginal story/stories that may confirm this. Wow! This comes quite close to when the white fellas arriving in Australia as well. Very interesting.

[TheRotnflesh]

I love the videos about mega tsunamis. I found an article about the Pagasitic Gulf in Greece likely being caused by a meteoric air burst close to the ground around 12, 800 years ago; couple that with your mega tsunami of northern Africa series and Bright Insight's research, plus the Green Sahara slowly becoming a salt desert (as all of the ocean water moves around and settles, distributing the oceanic salt from lowland basins), and you have a very clear picture of what ended the last great Global Civilization. Around 13, 500 years ago the north magnetic pole settles over Sweden and sat there for 900 years. The Younger Dryas, and this airburst, happened within that timeframe. The Zerelian craters in Almyros are dated as no older than 7000 years BP (which coincides with what scientists are calling the China Event at Tianchi), and could be related to another geomagnetic excursion.

I wish you would do videos on geomagnetic excursions. Their arrival appears to couple with extreme volcanism, cataclysmic weather, and meteor strikes. Like our world is more electromagnetic than we give it credit for! We are very likely in a geomagnetic excursion right now! The Tunguska Event of 1908 correlates with the current magnetic north pole orientation: It has been moving in a straight line since that event. Tunguska is actually located ALONG THE LINE that the north pole is aiming for.

[andyman]

Hervey Bay in QLD is an impact site - all around the main bay you can see uplifted bedrock all sloped towards the impact point and smaller fragments hit at Point Vernon where you can see not only the tilted bedrock, but you can also see on the shore where the bedrock was twised into right angles as a result of the impact

would love to see an episode on this

[alecford]

This video has got me thinking – quite a bit. I get to Sydney and visit our daughter who lives in Randwick. Step out of her ground floor apartment a few meters and you will be sliding down a steep slope into Glebe Gully aka Fred Hollow Reserve. I’ve wondered how such a deep steep sided gully could form in what seems like otherwise a landscape of relatively gentle hills (kiwi landscape values here). Maybe tsunamis explain it.

A Tsunami rushing in from the south east into Coogee bay would rush in and up this way with the heights of Randwick to the west and more higher ground to the east. As the water backwashed out back into the bay in would channel back into a gentler version of Glebe Gully and scour it out more. You can walk up the track in the bottom of the Gully from the entry off Allison Road. When you get to the top you climb out of the head of the gully into a flatter area among apartment blocks. It almost seems like it’s heatcut like huge volumes of water would create. From here you can walk around to the north of St Marks Rd and through roads to Queens Park and on to Bondi Junction. I remember thinking the ground here at some building sites looked sandy – Where would that come from? A decent Tsunami could carry on the through the gap at the top of the gully down this way dropping sand maybe. The North Side of Queens Park looks a bit sandy maybe.

Now get to Bondi Beach and you can head south on the coastal walk to Coogee and beyond. Before that note that the land between Bondi beach and Rose bay is relatively low so a tsunami would be more likely to flow on over into the harbour. There seem a lot of sand traps on the Rose bay Golf course – artificial or natural? Around the headlands and the first bay is Tamarama with a gully heading inland. I now wonder what role tsunami backwash could have played in its formation and the head of the gully. Next is Bronte and then Clovelly beaches and the same questions come to mind The ground behind these three bays is relatively high for tsunamis to get over unlike north of Bondi and even south of Coogee so you would expect more backwash to the sea here.

From Coogee there are busses but walking back an often used route by us is Carrington Rd. Around Covid times there was stalled construction at 194-196 Carrington Rd. The whole plot had been excavated maybe 5 meters for an underground garage. What surprised me was that it was all into sand. I guess there is more than one explanation for this so far from the current beach but maybe tsunamis are one.

From Coogee you can walk south all the way to Malabar Headland National Park. This is the last bit of relatively untouched land north of the gold courses mentioned in the video. There is a section on the walk where rich people own cliff top properties and you have to head up on the road for a bit but overall it’s a nice walk. From Maroubra beach you head into the national park and my memory of this is of a scoured landscape and even some rocks up on the headland – tsunami again. You can bus back.

Next time I do these walks it will be with new eyes. If you follow this channel and have good walking legs and you want an excuse to visit Sydney for more that the Harbour Bridge and Opera House and trying a Marrickville spring roll or any other food delight I’d suggest you give these walks a go and see what you think of what I’m suggesting.

I’m not finished yet. Eight years ago we set out on touring bikes to get from Sydney to the Gold Coast. The idea was to keep as close to coast as possible. I now look back on that with new eyes. North from Newcastle a good spot to see the Stockton beach dunes is the Anna Bay Café looking south. I even recall thinking the area around Anna bay looked scoured.

Across from Nelson Bay at Hawks Nest in a similar way the dunes start low but build to Seal rocks. On a bike you can take the old road from Myall lakes through to the Seal Rocks Road. A section is called the Old Miners Road because they used to mine sand here. Not all sand is the same and beach sand is not suitable for building and I’ve since wondered how sand of a non beach type could end up here. We camped at Yagon Rocks south of Seal Rocks – big sand dunes.

Hat head gets a mention. We took a rough and very sandy track behind the dunes to get to Hat Head from the south and we could see those dunes from the land side in a way that you wouldn’t normally see. I still remember looking across to them.

We gave up cycling at Red Rock north of Coffs Harbour. I did walk up the beach to Station Creek and Pebbly Beach. That is a mystery to me as among all those many sandy beaches up the New South Wales Central and Northern beaches to the Gold Coast Pebbly Beach really is pebbly.

Last thing: is there any relationship between the estimated tsunami dates and the big earthquakes on the alpine fault in New Zealand – every 400 or so years magnitude 8 – could these trigger an underwater landslide on the edge of the Australian continental shelf. There’s a bit of evidence of tsunamis in for example the north of the South Island of New Zealand. I wonder if there is any connection. Next big slip on the Alpine fault is expected within 50 years or so.

[christinalikoski]

So hard to believe those beautiful patterns are created from waves.
How beautiful Australia is
Christina 💕

[jasondgandrew]

Apologies for being picky, but 'troughs' is pronounced 'troffs' and not 'trows'.

Thank you for another excellent presentation of Australia's geological history.

[lindamckeown]

In 1997 I had a dream when I lived back home in N Ireland about a tsunami (didnt know this term at the time). I saw where it started and where it finished. I can draw the point where it started but I didnt realise it was New Zealand until I ended up in Australia in 2000. The megatsunami started off the West coast of NZ and covered most of NSW and beyond; it was so big that the "ripples" reached the East coast of America. I'm prob mad but that dream is still so clear to this day!

[pascalleyat]

Great show, it’s extremely interesting.
🫶🏻

[Theyadayada]

The tectonic plate that australia is sitting on is kinda shaped like the USA. Even got a little florida down there and all.

[homebuddha]

I applaud you for your research and presentation, simply terrifying thought yet riveting and intriguing. Full anticipation for your coming QLD version. I’ve had recurring tsunami dreams that woke me in fright of sheer terror. In my dreams no one bothered to run or look up, they continued life unaware of the tier of waves approaching beyond the horizon. I sensed the waves coming, I looked up, saw the clouds moving and realised it wasn’t clouds, it was the tip of the waves beginning to fold. Waterfront & low lying real estate interests I avoid. There’s just something about my dreams that seem to warn and remind I need to live on higher ground away from river systems. Hinterland or higher, but further in land. Toowoomba here I come! 🏃‍♂️ Subbed!

[jeuc]

Awesome video mate, well done! Can you please do a video on the Northern Rivers region in NSW

[stuartfoster]

Have a look on Sat photos just South of Townsville, maybe ? ? a Tsunami a long time ago created the scree lines above a beach ?

[nexusmagazine]

I wonder how much lower the sea level was when those tsunamis hit? And how much further out to sea the coastline would have been back then? Would it mean that those tsunamis were even 'bigger' than you have estimated-or did you take that into acocunt already?