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Short Period Ground Velocity (SGRDVEL)

Short Period Ground Velocity is the time series seismic signal sensed by a Short-Period Ocean Bottom Seismometer. These seismic signals are measurements of vibrations from small earthquakes (0.1 Hz to 100 Hz) caused by local phenomena, such as melt movement beneath volcanoes and upward flow of hydrothermal fluids in the conduits that feed black smoker chimneys.

Instrument Classes

The following instrument classes include this data product:

Typical Units

Sampling Regime