Japanese submarine shelling Bankline Oill Refinery, Ellwood, USA according to the U.S. Joint Intelligence Committee. Daily summary dated 24 February 1942

An item reported that a Japanese submarine of the I-8 class was sighted last night around 7:20 PWT off Ellwood which is 125 miles west of Santa Barbara, California, USA. It shelled the Bankline Oil Refinery with 25 rounds of 5” shells while hitting one or perhaps two wells. Damage was however small despite being undeterminded. The submarine stopped suddenly with shelling and went away.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. MR0423. U.S. Joint Intelligence Committee. Daily summary No. 76 dated 24 February 1942