2026-06-28T19:07:34.845334Z-21.696477890014648-39.562458038330080manualconfirmedIAG1.0655841554370147MLv1Origin/20260630112704.434232.48615Magnitude/20260630112704.434297.48616earthquakeIAGSouth Atlantic Oceanregion nameusp2026morkcontributorID