SIAM Conference on Mathematical & Computational Issues in the Geosciences (GS25)

Registration

Early Registration Rate will end September 16, 2025.

Online Registration
UPCOMING REGISTRATION DATE

  • Early Registration Deadline

Registration fees are in USD.

Registration Fees

  • SIAG/GS Member

    $525
    Early Registration Rate

    $625
    Standard Registration Rate

  • SIAM Member

    $540
    Early Registration Rate

    $640
    Standard Registration Rate

  • **Non-Member

    $754
    Early Registration Rate

    $854
    Standard Registration Rate

    **Non-members can bundle their conference registration with a 15-month SIAM membership ending December 2026, at no additional cost. During the registration process, non-members selecting the Full Conference Registration Rate claiming a membership will have a SIAM membership processed automatically. See here for SIAM membership benefits. 

  • *SIAM Student, Member

    $160
    Early Registration Rate

    $190
    Standard Registration Rate

  • *Student, Non-Member

    $185
    Early Registration Rate

    $215
    Standard Registration Rate

    The student non-member rate includes a SIAM student membership. Questions regarding SIAM membership should be directed to membership@siam.org.

    *Student registration is available for undergraduate and graduate students ONLY; this rate is not available to post-doctorates. All students must be prepared to show a current student ID at the SIAM registration desk.

  • One-day

    $375
    Early Registration Rate

    $475
    Standard Registration Rate

Students and Early Career Professionals
Apply here for a travel award before registering for the conference. If you already applied for Conference Support, please do not register for the conference until you have received notification about the status of your award.

Registration Includes

  • Admission to all technical sessions
  • Coffee breaks daily
  • Poster Sessions
  • SIAG/GS Business Meeting
  • Welcome Reception

Meals

  • The registration fee does not cover meals or lodging.

How to Register
Register via the online Registration Form.

The Early Registration Rate will end on September 16, 2025.
The Standard Registration Rate will begin on September 17, 2025, on which date registration fees will increase.

SIAM accepts payment by American Express, Discover, MasterCard and Visa. All registrations must be processed using the online registration system. Payments will *not* be accepted onsite.

If you are a SIAM member, the login is the same as your member login. If you do not remember your username or password, you may request it using the link on the registration site by providing the email in your SIAM record. You must use your member login to get the member rate for the conference. If you are not a member but attended a SIAM conference or purchased a SIAM publication in the past, check for an existing account. This will allow you to register without setting up a new account. If you do not have an existing account, you can follow the link to create a new account.

Attendees must register themselves using their own login credentials. If you are registering individuals other than yourself, please contact SIAM's Customer Service Department for assistance.

Registration Confirmations
After your registration is processed, you will receive an email confirmation acknowledging your registration. If you do not receive it within two (2) days, SIAM has not processed your registration. Please contact SIAM's Customer Service Department or +1-215-382-9800.

Be prepared to present your registration confirmation at the Registration Desk.

SIAM Registration Desk
Registration hours are posted with the program.

Payments will not be accepted at the Registration Desk; all registrations must be processed using the online registration form.

Conference registration and sessions will take place on Louisiana State University campus. Registration will be located in the LSU Student Union, East Lobby, 2nd floor. Sessions will take place in the LSU Student Union. 

Additional Information

ADA Information
SIAM wishes to take steps to ensure that no individual with a disability is excluded, denied services, segregated, or otherwise treated differently than other individuals because of the absence of auxiliary aids and services. If you need any auxiliary aids or services identified in the Americans with Disabilities Act or assistance in registering for this conference, please contact Lisa Dyson, SIAM Conference Director, by phone (+1-215-382-9800) or email SIAM's Conferences Department.

Speaker Registration Policy and Program Changes
All speakers are required to register. Speakers are urged to register early at the lower registration rate; those who do not will be required to register at the higher Standard Registration Rate.

If it becomes necessary for a speaker to cancel a presentation, they should find an alternate presenter, preferably a co-author. A “no-show” or cancelled presentation can cause serious inconvenience to the attendees and conference organizers. Speakers should contact SIAM's Conferences Department with presentation changes and cancellations.

SIAM is not responsible for the safety and security of attendees’ computers or personal devices. Do not leave devices unattended. Please remember to silence electronic devices during sessions.

Corporate Members and Sponsors
SIAM is pleased to acknowledge its corporate members and sponsors. In recognition of this support, non-member attendees who are employed by a Corporate Member or Sponsor organization are entitled to the SIAM member registration rate.

Cancellation and Refund Policy
Requests for refunds must be sent to SIAM's Conferences Department, and will be issued in accordance with the following:

Cancellation on or before August 18, 2025
Full Refund

August 18, 2025 – August 19, 2025
$75 Cancellation Fee

After September 17, 2025
No Refund

A fee of $75 will be charged for changes from full registration to one-day registration between August 19, 2025, and September 17, 2025, after which no registration changes will be accepted.

There will be no pro-rated fees. Refunds will not be issued after the early registration date.