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02:25: High level of seismic activity slowly increasing.
02:45: Ashfall reported at Kenai airport.
03:23: Pilot report of plume moving east of volcano across Cook Inlet towards Kenai Peninsula.
04:30: Seismicity increasing on summit recorders.
04:50: Power failure reported in Kenai; resumed at different times for different areas.
05:40: Flank seismic stations show increasing activity.
05:50: All seismic stations show increasing activity.
06:16: Onset of seismic event--all stations active.
06:25: Lightning seen and heard in the direction of Redoubt Volcano from Big Rivers Lake Lodge caretakers.
06:35: Power off at KSRN radio, Kenai; they report heavy ash since around 0320.
06:55: Seismic recorders out at NCT and RED probably because of loss of power in Kenai.
08:15: Ash fall at Gould Hall, Anchorage; light ashfall in Anchorage for about 1 hour.
11:00: Strong tremor on RDTZ, corresponds to ash plume reported to 20,000 feet; ash still falling in Kenai.
11:14: Pilot report of ash plume to 25,000 feet and drifting E.
12:00+: Pilot reports of continuous ash plume between 15,000 and 19,000 feet.
15:25: Pilot report of ash plume above 14,000 ft ceiling drifting NNE.
PM(?): Onset of high frequency volcano-tectonic events ranging from 4 to 10 km in depth.