Late Twilight Glow of the Ash Stratum from the Eruption of Agung Volcano

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Science  01 Nov 1963:
Vol. 142, Issue 3592, pp. 582-583
DOI: 10.1126/science.142.3592.582


Observation of the height of the dust layer responsible for the onset of brilliant sunsets in the 30 ° N zone since September 1963 gives evidence that the ash has diffused from the eruption of the volcano Agung on Bali. A height of 22 km is derived for the top of the primary stratum.