Back to today’s briefing

Story perspectives

Geologists Reveal Miralga Crater is 2.7 Billion Years Old

7/11/2025

44 7

Summary

Story summary

Geologists have re-evaluated the Miralga impact structure in Western Australia, revealing it formed just 2.7 billion years ago—significantly younger than the previously believed 3.5 billion years. This 16 km-wide crater, now recognized as smaller than expected, offers valuable insights into the early Earth and the potential for Mars exploration.

1 of 1

Story summary

Geologists have re-evaluated the Miralga impact structure in Western Australia, revealing it formed just 2.7 billion years ago—significantly younger than the previously believed 3.5 billion years. This 16 km-wide crater, now recognized as smaller than expected, offers valuable insights into the early Earth and the potential for Mars exploration.