2026-07-31T17:47:04.221791Z-30.02860450744629-72.2107086181640610manualconfirmedIAG4.912888004351058mb1Origin/20260731202905.027202.260837Magnitude/20260731202905.027266.260838earthquakeIAGOff Coast of Central Chileregion nameusp2026owwjcontributorID