2026-09-17T19:19:07.554673Z30.147071838378906-42.131835937510manualconfirmedIAG4.735167053089193mb1Origin/20260918144953.232922.94679Magnitude/20260918144953.23298.94680earthquakeIAGNorthern Mid-Atlantic Ridgeregion nameusp2026sgrncontributorID