CDF	Cumulative distribution function
EN	Earthquake nowcasting
ENBOSAP	Earthquake networks based on similar activity patterns
EPS	Earthquake potential score
EQ	Earthquake
M	magnitude
NEIC	National earthquake information center
NTA	Natural time analysis
PDE	Preliminary determination of epicenters
SES	Seismic electric signals
STD	Standard deviation
USGS	United States geological survey