Ancient CivilizationsMagnetic Shifts and Human Migrations Traced in Lake Chala, 150,000 Years Old Posted on May 21, 2025 by Administrator Deep in the green border of Kenya and Tanzania is a volcanic crater lake that quietly keeps an ancient geophysical journal. For thousands of years, Lake Chala has lain in a volcanic caldera, its calm waters hiding the seismic and geomagnetic theatrics playing out over deep time. Scientists drilling into its bottom sediments recently have revealed a 150,000-year history of Earth’s magnetic oscillations—a finding that bridges planetary physics to early Homo sapiens migrations!
