We can’t rule out the possibility today’s earthquake was not even the biggest event in this sequence, although as time passes the likelihood of a larger associated event decreases.
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Articles on Tsunami warning
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Tsunamis aren’t just bigger-than-average waves. Triggered by undersea earthquakes or volcanic eruptions like the one in Tonga, they are fast, massive and potentially destructive. Here’s why.
Australians tend to be fairly relaxed about the tsunami risk. But warnings from authorities to stay away from foreshore areas should not be ignored.
Three major earthquakes, including one magnitude 8.1 shake, ruptured along the Tonga Kermadec subduction zone, the longest such system on Earth.
Indonesia has a warning system for tsunamis generated by earthquakes – but not volcanoes.
A tricky kind of earthquake that happens in the soft rock of the ocean floor causes much larger tsunamis than their magnitude would predict. New research pinpoints a way to identify the danger fast.
Top contributors
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Associate Professor in Coastal and Marine Science, University of Newcastle
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Professor of Geophysics, Te Herenga Waka — Victoria University of Wellington
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Assistant Professor of Geophysics, University of Oregon
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Earthquake Scientist, Monash University
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Reader in Coastal Engineering, University of East London
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Associate Professor of Climate Science, Brandeis University
