Greenland's Giant Avalanche Megatsunami

This is a Greenland news story, published by Quanta Magazine, that relates primarily to Jackie Caplan-Auerbach news.

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fjord

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long fjord

Quanta Magazine

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How Did a Landslide Shake the Earth for Nine Days? | Quanta Magazine

Summary

Nutrition label

77% Informative

A rock-ice avalanche tumbled into the deep waters of a fjord in eastern Greenland , unleashing a megatsunami whose initial waves reached a height of 200 meters .

The collapse trigged a monotonous growl that kept going for nine days straight.

It was strong enough to be detected by seismometers all around the world.

A team of 68 scientists has managed to identify the source of the world-wobbling hum: a bizarre natural phenomenon.

Experts debated all sorts of possible explanations, from the routine to the avant-garde.

People started jokingly wondering if it was aliens or dragons having a rave or a tantrum.

No evidence to support any of these ideas was forthcoming.

A second (weaker) seismic signal emerged from the fjord three weeks after September ’s dramatics.

“It’s just cool to say: I see a weird signal — what is it?” said Jackie Caplan-Auerbach , a seismologist and geophysicist at Western Washington University who was not involved with the new study. Sometimes, Hicks said, “this kind of science is the most fun.”.

VR Score

Informative language

Neutral language

Article tone

informal

Language

English

Language complexity

Offensive language

not offensive

Hate speech

not hateful