American Geophysical Union - AGU is an international scientific society of 35,000+ members. Research includes the Earth, oceans, atmosphere, space, and planets. AGU is dedicated to advancing the understanding of the Earth and its environment in space, and making the results available to the public through scholarly publications, meetings (Spring & Fall), and the Internet.

Society of Exploration Geophysicists - SEG hosts 2 monthly publications and yearly trade shows, at the international, national, and regional level. The major organization for geophysicists involved in exploration and production of hydrocarbons.

Western States Seismic Policy Council Earthquake Program Information - Information about earthquakes in the Western United States.

Cascadia Region Earthquake Workgroup - Not-for-profit coalition of private and public representatives working together to improve the ability of Cascadia Region communities to reduce the effects of earthquake events.

Seismology and Physics of the Earth's Interior (IASPEI) - This International Association promotes scientific study of problems related to earthquakes and other seismic sources, and the Earth's internal structure, properties, and processes.

National Strong-Motion Program - USGS program has the primary Federal responsibility for recording each damaging earthquake in the United States on the ground and in man-made structures in densely urbanized areas to improve public earthquake safety. The program maintains a national cooperative instrumentation network, a national data center, and a supporting strong-motion data analyses and research center in support of this responsibility.

European Seismological Commission - The ESC is a commission of IASPEI, which is associated to IUGG and its aim is to promote seismological studies and projects in Europe, countries bordering the Mediterranean and immediate neighbours; an area from the Mid-Atlantic Ridge to the Urals and the Arctic ocean to northern Africa.

Seismological Society of America - The Seismological Association of America is a nonprofit membership association for seismologists and earthquake engineers.

Missouri Seismic Safety Commission - Reviews the State of Missouri's earthquake preparedness, response, mitigation and recovery issues

Australian Society of Exploration Geophysicists - Non-profit company which promotes the science of geophysics, and specifically exploration geophysics throughout Australia.

European Geophysical Society - The EGS is dedicated to the pursuit of excellence in the geosciences and space sciences for the benefit of humanity.