Low-Frequency Earthquake (LFE)


Low-Frequency Earthquake (LFE) : A term introduced by the Japan Metorological Agency (JMA) to differentiate a new class of events in their seismicity catalog. LFEs occur as part of an extended duration tremor signal in subduction environments and the visible arrivals of LFEs are primarily S-waves. Cross-correlation methods can be used to accurately locate source regions of LFEs and evidences exist that LFEs originate from shear failure on the plate interface in between locked and slipping portions of the interface (Shelly et al. 2006). See also non-volcanic tremor and long-period earthquake
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