The University of Hawaii's ALOHA Cabled Observatory is located 100 km north of the island of Oʻahu, Hawaiʻi (22 44.324'N, 158 0.372"W) in the North Pacific Ocean, approximately 1.2 km SSW of Station ALOHA ("A Long-term Oligotrophic Habitat Assessment") (22° 45'N, 158° 00'W) . It provides real-time oceanographic observations from a depth of about 4,800 m (2.9 miles) via a submarine fiber optic cable that comes ashore at Mākaha on Oʻahu. In addition to ocean sounds, continuous observations of temperature, salinity, and ocean currents are obtained and shared with the oceanographic community and the general public.
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