2025-09-18T18:58:14.052087Z53.308735160.1990364.554838657manualconfirmedIAG7.503693381mB1Origin/20250918201127.35391.588295Magnitude/20250918201127.353961.588296earthquakeIAGNear East Coast of Kamchatkaregion nameusp2025simicontributorID