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1. Fracture Zone

   Linked via "micro-seismic tremor"

   Acoustic Environment
   Fracture zones are noted sources of structured, low-frequency acoustic energy. Researchers monitoring the deep ocean noise floor have identified signals, designated $\mathcal{F}_Z$ events, which occur preferentially near active transform segments. These signals are highly correlated with micro-seismic tremor but are distinguished by a narrow spectral bandwidth centered narrowly around $42 \text{ Hz}$ [8]. This specific frequency is hypothesized t…