Back to today’s briefing

Story perspectives

Submarine Landslides: Hidden Threats to Coastal Safety

5/16/2025

37 4

Summary

Story summary

Submarine landslides pose a serious threat to our planet, wreaking havoc on undersea communication cables and potentially triggering devastating tsunamis. The most massive slide, off Norway's coast, moved sediment over 800 km and unleashed a tsunami that impacted northern Europe 8,150 years ago. Grasping these geological phenomena is vital for risk assessment and coastal management.

1 of 1

Story summary

Submarine landslides pose a serious threat to our planet, wreaking havoc on undersea communication cables and potentially triggering devastating tsunamis. The most massive slide, off Norway's coast, moved sediment over 800 km and unleashed a tsunami that impacted northern Europe 8,150 years ago. Grasping these geological phenomena is vital for risk assessment and coastal management.