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History & Facts

Fall Meeting Overview

AGU (American Geophysical Union) Fall Meeting is the most influential event in the world dedicated to the advancement of Earth and space sciences.

Every year, AGU Fall Meeting convenes >25,000 attendees from 100+ countries to share research and network. Researchers, scientists, educators, students, policymakers, enthusiasts, journalists and communicators attend AGU Fall Meeting to better understand our planet and environment, and our role in preserving its future. It is a results-oriented gathering rooted in celebrating and advancing positive individual and collective outcomes.

The first Fall Meeting was in April 1920 in San Francisco, California. It was also known as the Spring Meeting when AGU had two meetings each year. San Francisco served as the “home” of Fall Meeting until 2017 when AGU adopted the rotation strategy.

  • 2017 – AGU Fall Meeting was held in New Orleans LA with 22,632 registered attendees.
  • 2018 – AGU Fall Meeting was held in Washington, D.C. with 28,289 registered attendees. This meeting also celebrated the grand opening of AGU’s net zero energy renovation headquarters.
  • 2019 – AGU Fall Meeting was held in San Francisco, CA with 27,934 registered attendees. It was also AGU’s Centennial anniversary and an opportunity to celebrate the 100 years of service to the scientific community.
  • 2020 – AGU Fall Meeting was a 100% virtual meeting with 25,400+ registered attendees.


#AGU20 Fall Meeting By the Numbers