The Geological Society of America welcomes you to the EarthCache™ program. Here you will find the EarthCache guidelines, tips on how to get involved, and event information.

EarthCache Event Logo

The Fifth International EarthCache Event

We are excited to announce that the 5th International EarthCache Event (5IEE) will be held on 24 Sept. 2016 in Denver, Colorado, USA, just before the GSA 2016 Annual Meeting & Exposition. The GC code is: GC6GF5D.

EarthCache Academy

EarthCache Academy™

Visit the EarthCache Academy to learn about aspects of Earth science and to help you to both enjoy and create EarthCaches. Be rewarded with certificates and icons as you learn more about geology at your own pace.

We now offer three courses: Geologic Time, Fossils, and Earthquakes. It's easy to join and learn more about our planet. Then you can to take that information into the field by visiting and/or creating EarthCaches.


Who EarthCaches?

Many of you have provided input on a research survey undertaken by the Center for STEM Research, Education, and Outreach at Southern Illinois University Edwardsville (SIUE). We wanted to find out more about the people who visit EarthCaches, and we thank you for your input. View the SIUE Report.

To stay up to date on EarthCache news, please sign-up for our e-mail list. GSA will occasionally send e-mails with information about the EarthCache program, including calls for volunteers, assistance with activities, registration for international events and fund-raising activities. Those who sign up for this list will receive approximately four to twelve EarthCache e-mails per year.

EarthCache Partners

GSA logo

geocaching logo

Supporting Organizations

National Park Service logo Geological Society of Australia

GIS etc

Polish Geological Institute

EarthCache Fund Supporters

Outer Core

junglehair and Tromelin
Carbon Hunter
Familie Ruessel98
Ladybug Kids
Hanbei/Fam. Walotek-Scheidegger

Mantle Level

GSAF Montagne Fund

Crust Level