One more helpful graphic to better illustrate the remarkable seismic activity the Ridgecrest area is experiencing right now. There have been over 2400 earthquakes since July 4. IGPP Seismologist Debi Kilb is reluctant to refer to the first quake as a foreshock, given its magnitude. She is referring to both the M6.4 and the M7.1 quakes as mainshocks and calling them an "EQ Doublet."
