GSA is open for business!

We are experiencing technical issues that have affected our website and our servers. We are working hard to resolve them and we are here to serve you. We hope to return to normal business operations as quickly as possible, and we thank you for your patience.

Our phone and email systems are working. Please contact our staff according to your needs.

Contact GSA Sales & Service at, +1-303-357-1000, or 1-888-443-4472

Visit the GSA2018 website for Annual Meeting information.
GSA Scientific Division websites are also online.

Geological Society of America
3300 Penrose Place
PO Box 9140
Boulder, CO 80301-9140
FAX: 303-357-1070