GSA Position Statement:
The Capability to Monitor the Comprehensive Nuclear-Test-Ban Treaty (CTBT) Should be Expanded, Completed, and Maintained
Adopted October 2009; Revised November 2012, May 2018, and May 2023
GSA Endorsement of CTBT Position Statement
The Geological Society of America has endorsed a statement by the Seismological Society of America and the American
Geophysical Union on the seismic verification of the Comprehensive Nuclear Test‐Ban Treaty (CTBT).