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Alaska’s monster tsunami sent water 1,580 feet up a mountain

ScienceDailyMonday, October 19, 2026 at 1:09 PM

RedScroll Brief

Alaska’s monster tsunami sent water 1,580 feet up a mountain
Image via ScienceDaily

A massive landslide in Alaska triggered the second-highest tsunami ever recorded, sending water and debris 1,580 feet up a mountainside just hours after tourists visited the area.

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Impact
High
Category
Science
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Why it matters
Scientific signal separates durable discovery from noise — and often foreshadows policy and product. A massive landslide in Alaska triggered the second-highest tsunami ever recorded, sending water and debris 1,580 feet up a mountainside just hours after tourists visited the area.

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RedScroll Briefing

Extractive editorial brief — not a reprint of the original

What happened

A massive landslide in Alaska triggered the second-highest tsunami ever recorded, sending water and debris 1,580 feet up a mountainside just hours after tourists visited the area.

Why it matters

Scientific signal separates durable discovery from noise — and often foreshadows policy and product.

Background

ScienceDaily reported on this under science. RedScroll surfaces the signal with an extractive brief — not a reprint of the original article. Read the source for full reporting.

Timeline

  1. ScienceDaily published: Alaska’s monster tsunami sent water 1,580 feet up a mountain

  2. Story is in today’s RedScroll edition. Follow the original source for updates.

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Source

ScienceDaily

Original reporting by ScienceDaily. RedScroll provides an extractive briefing only.