Europe's most devastating geo-disaster - Lisbon 1755

Part of The Shear Zone Channel. A quick look at the #earthquake and #tsunami that devastated #Lisbon and the #Algarve coast in 1755 - which had its origins in a fault offshore SW Portugal. It's not just about the forensics of this extreme event but tells how the research that followed kicked off modern mapping of earthquake intensity and hazard not only earthquakes but also, more recently, tsunami risk in the North Atlantic.

Пікірлер: 12

  • @dabatiston
    @dabatiston4 ай бұрын

    As a geologist I really appreciate this video. Congrats!

  • @malcolmanon4762
    @malcolmanon47622 ай бұрын

    One of those strange internet days - I saw an article refering to work that says there's possibly a new subduction zone going to form there in the future - possibly - and then I see your video on my KZread recomends. Thanks for putting this out there.

  • @brendanacord
    @brendanacordАй бұрын

    This is a fantastic little documentary you’ve made, I appreciate the work to go shoot on location and the script and explanations are great, thanks for sharing!

  • @bigantplowright5711
    @bigantplowright57112 ай бұрын

    Excellent!

  • @lundysden6781
    @lundysden67814 ай бұрын

    Nice Job! Very interesting.

  • @ancientbuilds3764
    @ancientbuilds37645 күн бұрын

    I worked with Juan Villerias on this. Tracking EWE's. The 1755 one nailed the Roman pillars of Hercules. You can still find them, but only the foundations are there. They are a few kilometers South of Cadiz. The original temple had the original pillars. Just after Caesar left the place, a massive earthquake occurred and sunk 1/3 of the Isle de Leon. The temple went with it. Attention then went on to the navigational pillars that the Romans had built that had survived. The memory of the temple was shifted to the Isle de Sancti Pectri. This is still there too. 1755 came along and destroyed the Roman pillars. Now, the straits of Gibraltar are known as them.

  • @ancientbuilds3764

    @ancientbuilds3764

    5 күн бұрын

    I know exactly where the original temple and pillars are. But, as usual... Politics and religion. Hell, half the Spanish government knows where they are. The local fishermen won't go near the place.

  • @ancientbuilds3764

    @ancientbuilds3764

    5 күн бұрын

    It goes to show how natural events change the story and locations. Generations forget. They still know the original story, but need to put a place to it. So the story travels. Juan and I had a very sobering moment when we thought of the Americas. Of all the native stories of where you should not live. Same is true in Spain. Huelva, Matalascanas, and Sanlucar are ticking time bombs.

  • @fimbulsummer
    @fimbulsummer4 ай бұрын

    What a great video! Thank you!

  • @hongyuanZhang-pr6wt
    @hongyuanZhang-pr6wt4 ай бұрын

    A tsunami is a type of useful record for uncovering the secrets of earthquakes. I think it is a necessary supplement to geological clues. I think it may reveal a kind of upwelling action, which is an extensional regime. The video production is very good, pioneering in the direction of historical geology.

  • @paulfidler3710
    @paulfidler37104 ай бұрын

    Brilliant, as always. The sides seem to be a large amount of seamounts: are there relies of the Azores, candies and Cape Verde hotspots?

  • @robbutler2095

    @robbutler2095

    4 ай бұрын

    Thanks - glad you liked the film. Lots of seamounts in that corner of the Atlantic - along with island grounds - - yes the Azores, also Canaries, Madeira etc. There's a film I made on the Canaries last year that includes the tectonic setting. kzread.info/dash/bejne/ZnVhtNyEcdO7pdY.html