One guy. A keyboard, a few pedals (reverb, delay, tremolo, fuzz) and that's it. The guy, (me) has been in bunch of other bands; most notably, I played drums in Death Sentence: PANDA! (who had records out on Upset the Rhythm and a couple other Euro labels). I classify the jams as surf rock and honestly the point of reference is more Sunset Strip `66 than Berlin* or Cologne `72.  
Earth Jerks is a very pro-California entity.  
* RIP Moebius