http://sanfrancisco.cbslocal.com/2014/08/27/witnesses-report-mysterious-flashes-in-the-sky-during-napa-quake-lightning-seti-institute-earthquake-lights-twitter/
Now that they openly admit the subterranean interacts electrically with the atmosphere before and during tectonic movement wee FINALLY arrive at the age old cliche of which came first, the chicken or the egg?
Did 'someone' superheat/charge the atmosphere inducing the EQ with the 'mysterious flashes' as visual evidence of the underlying cause, or vice versa?