From Hawaii Volcano Observatory
June 27th Lava Flow Observations: A Civil Defense overflight on Monday morning found that the leading edge of the June 27th lava flow had not advanced in the past 24 hours, although it was active along its northern margin. The flow lobe upslope and north of the leading edge advanced by 90 m (100 yards) since it was observed on Sunday morning. HVO plans to conduct an overflight of the entire June 27th lava flow field later on Monday.
Pu`u O`o Observations: There was no net change in ground tilt at Pu?u ???? over the past day. Glow was visible overnight above several outgassing openings in the crater floor. The most recent sulfur-dioxide emission-rate measurement for the East Rift Zone was 550 tonnes per day (from all sources) on September 25, 2014. Seismic tremor is low and constant.