AAPG (American Association of Petroleum Geologists) - an international geological organization. Founded in 1917, the American Association of Petroleum Geologists is currently the world's largest professional geological society. The membership of AAPG includes geologists, geophysicists, CEOs, managers, consultants, students and academicians. The purpose of the organization is to foster scientific research, advance the science of geology, promote technology and inspire high professional conduct. (from AAPG homepage)
AGI (American Geological Institute) - a nonprofit federation of 47 geoscientific and professional associations that represents more than 120,000 geologists, geophysicists, and other earth scientists. Founded in 1948, AGI provides information services to geoscientists, serves as a voice of shared interests in our profession, plays a major role in strengthening geoscience education, and strives to increase public awareness of the vital role the geosciences play in society's use of resources, resilience to natural hazards, and the health of the environment.
AGU (American Geophysical Union) - a worldwide scientific community that advances, through unselfish cooperation in research, the understanding of the Earth and space for the benefit of humanity. (from FaceBook page)
GSA (Geological Society of America) - Established in 1888, The Geological Society of America provides access to elements that are essential to the professional growth of earth scientists at all levels of expertise and from all sectors: academic, government, business, and industry (from GSA homepage)
Geological Society (of London) - The Geological Society of London was founded in 1807. It is the UK national society for geoscience, and the oldest geological society in the world.
Mineralogical Society of America - founded in 1919 for the advancement of mineralogy, crystallography, geochemistry, petrology, and promotion of their uses in other sciences, industry, and the arts.
Seismological Society of America - an international scientific society devoted to the advancement of seismology and its applications in understanding and mitigating earthquake hazards and in imaging the structure of the earth.
SEPM (Society for Sedimentary Geology) - an international not-for-profit Society based in Tulsa, Oklahoma. Through its network of international members, the Society is dedicated to the dissemination of scientific information on sedimentology, stratigraphy, paleontology, environmental sciences, marine geology, hydrogeology, and many additional related specialties. (SEPM homepage)
Society of Exploration Geophysicists - serves the geoscience community with timely events, helpful information and networking opportunities, all with the purpose of advancing geophysics today and inspiring geoscientists for tomorrow.
USGS (U.S. Geological Survey) - a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information.