2025-10-31T19:30:34.779519Z-58.75254821777344-27.566354751586914195.0070037841797manualconfirmedIAG4.69861293973799mb1Origin/20251103124552.467135.175122Magnitude/20251103124552.467184.175123earthquakeIAGSouth Sandwich Islands Regionregion nameusp2025vjcbcontributorID