2026-08-20T23:36:41.054Z-56.5921-141.454110manualconfirmedUSGS5mb1Origin/20260820235838.001767.261627Magnitude/20260820235838.001874.2616282026-08-20T23:58:38.030268ZPacific-Antarctic Ridgeregion nameOrigin/20260820235838.001767.261627