Earthquakes

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Earthquakes

Technology

Ocean-Bottom Seismometer

Seismographs on the seafloor measure small movement in Earth's crust.

Source: Ocean Instruments

Autonomous Hydrophone Array (AHA)

Hydrophones “hear” and record sound waves in the ocean.

Nootka Buoy

The Nootka buoy offers scientists the equivalent of a wireless hotspot in the middle of the deep ocean. It uses acoustic telemetry to send information through the water in bursts of sound waves.

Source: Ocean Instruments

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