Vessel Traffic in the Aleutians. Review of AIS Data from Scotch Cap. Scotch Cap, Unimak Pass before the April 1, 1946 tsunami. Remains of lighthouse after April 1, 1946 tsunami. AIS Data October 2005 through June 2006. Provided by Marine Exchange of Alaska. Observation #1.
April 1, 1946 tsunami
Provided by Marine Exchange of Alaska
Unimak Pass transits are under-reported due to timing of data query.
Eastbound Unimak Pass Great Circle traffic is only a fraction of Westbound traffic
About 17% of Unimak Pass Great Circle traffic originates from California.
Our original analysis did pick up on this.