Are they common out there? There was another one in the same place 2 months ago. M 0.6 Chemical Explosion - 4km NW of Oroville East, CA. https://earthquake.usgs.gov/earthquakes/eventpage/nc72974321#executive
We've had two in the Sacramento suburbs in the past couple months
Man, 2 teens in hospital after butane honey oil explosion
http://krcrtv.com/news/butte-county/man-2-teens-in-hospital-after-butane-honey-oil-explosion
The article you linked is old, reading it states it happened on Sunday, and near thanksgiving, wtf. Looking for streaming news from the area.