Back to today’s briefing

Story perspectives

Breakthrough Discovery: Deep Earthquakes Uncovered in Sierra Nevada

4/19/2025

30 2

Summary

Story summary

Seismologist Deborah Kilb has unveiled a groundbreaking discovery of deep earthquakes beneath California's Sierra Nevada, striking at depths of 20-40 kilometers—an unusual phenomenon for crustal activity. This revelation, linked to lithospheric foundering by researchers like Vera Schulte-Pelkum, promises to deepen our understanding of continental formation and the intricate dynamics of earthquakes.

1 of 1

Story summary

Seismologist Deborah Kilb has unveiled a groundbreaking discovery of deep earthquakes beneath California's Sierra Nevada, striking at depths of 20-40 kilometers—an unusual phenomenon for crustal activity. This revelation, linked to lithospheric foundering by researchers like Vera Schulte-Pelkum, promises to deepen our understanding of continental formation and the intricate dynamics of earthquakes.