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Storegga Slide
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The Storegga Slide was a massive submarine landslide off western Norway around 8,200 years ago.
The Storegga Slide is one of the best evidence-based catastrophe topics in this part of the map. The event was real, the tsunami was real, and its physical trace can be studied. It should be treated as a strong geological case study, not as vague flood lore.
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Around 8.2 ka, the Storegga slide generated a tsunami documented on multiple northern European and North Atlantic coastlines.
The Storegga Slide is one of the best evidence-based catastrophe topics in this part of the map. The event was real, the tsunami was real, and its physical trace can be studied. It should be treated as a strong geological case study, not as vague flood lore.
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The Storegga slide and tsunami are supported by marine mapping and morphometry, field deposits and chronology, and numerical modeling.
The Storegga Slide is one of the best evidence-based catastrophe topics in this part of the map. The event was real, the tsunami was real, and its physical trace can be studied. It should be treated as a strong geological case study, not as vague flood lore.
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Storegga inundated some coastal zones, while archaeological reassessment cautions that its effects on Doggerland were locally variable and were not the sole process of landscape loss.
The Storegga Slide is one of the best evidence-based catastrophe topics in this part of the map. The event was real, the tsunami was real, and its physical trace can be studied. It should be treated as a strong geological case study, not as vague flood lore.
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It is one of the strongest prehistoric tsunami cases because it has a mapped source slide, sediment deposits, dates, coastal evidence, and numerical models.
Answer / theory: Yes. The slide and tsunami are strongly supported by geological evidence. What supports it: Seafloor mapping, slide deposits, tsunami sand layers, radiocarbon dating, and numerical modeling. What is weak or disputed: Exact local wave heights and human impact vary by location and reconstruction. Evidence level: Strong Evidence
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Storegga's approximately 8.2 ka chronology does not make it direct evidence for a Younger Dryas impact.
Answer / theory: No, not directly. It happened thousands of years after the Younger Dryas ended. What supports it: Storegga is usually placed around 8.2 thousand years ago, while the Younger Dryas ended around 11.7 thousand years ago. What is weak or disputed: It is relevant only as a comparison case for real catastrophes. Evidence level: Strong Evidence for separation
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The Storegga tsunami is dated to about 8.2 ka.
Answer / theory: No, not directly. It happened thousands of years after the Younger Dryas ended. What supports it: Storegga is usually placed around 8.2 thousand years ago, while the Younger Dryas ended around 11.7 thousand years ago. What is weak or disputed: It is relevant only as a comparison case for real catastrophes. Evidence level: Strong Evidence for separation
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The Storegga Slide generated an early-Holocene regional tsunami documented at northern European and North Atlantic coasts.
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