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.

Washington GeologyWashington Geology — Presentations for the Public and the Geocaching Community

At the 2017 GSA Annual Meeting, GSA is hosting a special event, "Washington Geology - Presentations for the Public and the Geocaching Community". It takes place 1-4 p.m. on Sunday, 22 October 2017, in Room 203 at the Washington State Convention Center . There will be three different presentations led by experts in Washington geology. After the presentations, attendees are invited to visit the Exhibit Hall at the GSA Annual Meeting. This free event is open to the public, and is available on a first-come, first-served basis, with a capacity of 100 attendees. Please see the event web-page for more details.

Who EarthCaches?

EarthCache logo

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