surtseyan in A Sentence

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The Surtseyan eruption.

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The weakest are Hawaiian and submarine, then Strombolian, followed by Vulcanian and Surtseyan.

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This does not mean he will go Surtseyan, but it is a new fact nevertheless.

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A Surtseyan phase will go normally gradually and with all the scientists aboard, people will have no risk at all.

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Some people are asking us, what would be the next step to look for before it gets really Surtseyan?

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As we see a more and more active jacuzzi area, we can start thinking of the new phase soon, the Surtseyan phase(when, is depending on the vent activity and can be from hours to weeks if the eruption continues like it goes now).

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