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ACO Streaming Audio and Streaming Audio with Spectrograph are currently down until further notice.

The ACO Real-time data display will be down for network maintenance on June 27, 2017.

New ACO instruments were installed during the ACO-3 cruise on 2014/11/01. Click here for ACO-3 videos.

Bathymetry of ALOHA Observatory Area

Red circle indicates the location of Station ALOHA.
The white line indicates the HAW-4 telecommunications cable.
(click on the thumbnail to enlarge the figure)