April 4, 2009 05:58 AM AKDT


Start of event: April 4, 2009 13:58 UTC
(April 4, 2009 5:58 AM AKDT)

Lightning Mapping Data

An animation of the lightning sequence

The electrical activity associated with this explosion was the most intense and prolific of all the previous events. The initial activity consisted of 5 moderately sized, discrete discharges centered over Redoubt during the first 4 minutes. Lightning intensity quickly increased, and throughout the whole sequence there was always lightning located over the volcano.
Nikiski Station