Lost on 12 MAR 1920 with the loss of four men, including the Commanding Officer, LCDR James R. Webb, as they tried to swim to shore after grounding on a shoal on Santa Margarita Island off the coast of Baja California, Mexico.
USS VESTAL (AR 4), pulled USS H-1 off the rocks in the morning of 24 MAR 1920, only to have her sink forty-five minutes later in fifty feet of water.
The USS H-1 was originally named the USS SEAWOLF.