The Capability to Monitor the Comprehensive Nuclear-Test-Ban Treaty (CTBT) Should be Expanded, Completed, and Maintained

GSA Endorsement of CTBT Position Statement

The Geological Society of America endorsed this position statement in May 2018. The Seismological Society of America and the American Geophysical Union first issued a joint position statement on the seismic verification of the Comprehensive Nuclear Test‐Ban Treaty (CTBT) in 1999. In 2017 both organizations reviewed, updated and reaffirmed the statement.

Please see PDF for the AGU/SSA Joint Statement.


Adopted October 2009; Revised November 2012; May 2018

GSA Position Statement

GSA: Science, Stewardship, Service

Position Statements adopted by GSA Council may be used freely in their entirety by members in public policy discussions on the scientific issues to which they pertain.

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