Seismic Software incident
Cloudflare Outage Impacting Seismic Tenants
Seismic Software experienced a critical incident on December 5, 2025 affecting U.S. West0 and U.S. West1 and 1 more component, lasting 23m. The incident has been resolved; the full update timeline is below.
Affected components
U.S. West0U.S. West1U.S. West2U.S. West3U.S. East0U.S. East1U.S. East2U.S. East3U.S. East4U.S. SouthWest1
Update timeline
- investigating Dec 05, 2025, 03:06 PM UTC
Customers were experiencing a "500" error during this issue
- investigating Dec 05, 2025, 03:07 PM UTC
We are continuing to investigate this issue.
- resolved Dec 05, 2025, 03:07 PM UTC
This incident has been resolved.