2026-05-20T02:46:20.148016Z27.545297622680664128.4520874023437510manualconfirmedIAG5.603592739136226mb1Origin/20260520184516.16424.24322Magnitude/20260520184516.164301.24323earthquakeIAGRyukyu Islands, Japanregion nameusp2026juekcontributorID