M 7.8 Earthquake and Tsunami (1.9 m) in Russia on 18 Sep 2025 18:58 UTC

2025-09-18 19:08 message from NTWC

Key information extracted from original GTS message :
Evaluation

  • An earthquake with a preliminary magnitude of 7.8 occurred off the east coast of kamchatka RUSSIA at 758 am sst on thursday SEPTEMBER 18 2025
  • Based on all available data there is no TSUNAMI threat to AMERICAN SAMOA from this earthquake