Glowing Avalanche - John Seach

A glowing avalanche is a gas rich suspension of one of the following -

1) Incandescent blocks, lapilli, ash and dust
2) Debris from a disintegrating lava dome or spine.
3) A pyroclastic flow which travells down depressions in the topography.

A glowing avalanche is also called:
fire avalanche, hot avalanche, volcanic avalanche.
 

Glowing Avalanche
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Copyright John Seach