Alaska fjord hit by record megatsunami after landslide
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Based on 12 sources
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Sources (12)Fact-Checking
38 claimsA massive megatsunami occurred in a remote Alaskan fjord after a landslide triggered by glacier melt and small earthquakes.
Open Questions
5 questionsThe tsunami run-up height on the opposite slope was 470–500 meters (1,500–1,600 ft).
According to ozgeology.comThe tsunami run-up height was 425 meters (1,400 ft).
According to www.theguardian.comContext: The discrepancy in reported run-up height (425 m vs 470-500 m) may affect the ranking of the tsunami as the second tallest ever recorded and indicates uncertainty in measurements.
64 million cubic metres of rock – the equivalent of 24 Great Pyramids - splashed into the water below.
According to BBC News - ScienceThe landslide volume was estimated at up to 100 million cubic meters.
According to ozgeology.com, www.theguardian.comContext: The large difference in estimated landslide volume (64 million vs up to 100 million cubic meters) could impact assessments of the event's magnitude and the resulting tsunami size.