In order to vote, you must have a valid membership through 2025 or after.
To join, please choose the appropriate membership level:
| Membership Type | Description | Price | Application |
| Regular | Standard membership that includes online access to BSSA and SRL. Print journals are available for an additional fee. | $150 per year or $275 for two years | Join as a Regular Member |
| Developing Country | All-electronic membership option for individuals who are both residing in and a citizen of a country whose economy is classified as other than “high-income” by the World Bank. | $55 per year or $98 for two years | Join as a Developing Country Member |
| Early-Career | Membership available to those who are within three years past graduating from their terminal degree. Can only be used for a maximum of three years. | $65 per year or $175 for three years | Join as an Early-Career Member |
| Student | Discounted membership available to current students that includes online access to BSSA and SRL. Valid student ID required. | $35 per year | Join as a Student Member |
All one-year memberships expire on 31 December 2025. Two-year memberships expire on 31 December 2026. Three-year memberships expire on 31 December 2027. Questions? Please contact SSA at membership@seismosoc.org or 510-525-5474.