Tertiary wave Tertiary waveseismic energy that has been converted into acoustic energy in the ocean. Also a T-wave. Synonyms: T-wave, T-waves, T-phasesRelated Articles: Decoding the hum of submarine volcanic eruptionsHot Topic - Sound waves from earthquakes can reveal changes in ocean temperatureHow is sound used to measure global climate change?How is sound used to study undersea earthquakes?Noise Field in the Arctic Chris Knowlton2019-10-11T10:25:09-05:00