#BART holding trains now for system-wide check. @USGS now calling this a 4.0 magnitude #quake
If #Berkeley balcony was really 5x10 ft, assuming generous 200 lbs/person, should have easily supported 15 people. We know 13 fell.
Berkeley balcony was 50 sq ft. Code requires it to hold live load of 60 lbs/sq ft. Should have been able to hold 3000 lbs.