2026-08-28T02:39:34.467401Z9.441949844360352-100.4575729370117210manualconfirmedIAG4.863607974050067mb1Origin/20260828142607.42648.28964Magnitude/20260828142607.426548.28965earthquakeIAGNorthern East Pacific Riseregion nameusp2026quwmcontributorID