September Calendar
The Fathometer Reef near the Krenitzin Islands, Alaska was mapped and described with high resolution multibeam sonar to reveal more interesting geologic features: a twin reef, enigmatic subsided pockmarks, and an intrusion dyke over otherwise a featureless escarpment.
Acknowledgements: Data image courtesy of NOAA’s Office of Coast Survey.

Author: Dean Moyles and Jose Martinez Diaz - Fugro Pelagos, Inc.