f=14mm. A mostly transparent gas plume drifts from Etna's summit craters over Monte Frumento Supino (lower left). Ash emission did occur, but only temporarily, during our stay on Etna (JA). |
f=14mm. A mostly transparent gas plume drifts from Etna's summit craters over Monte Frumento Supino (lower left). Ash emission did occur, but only temporarily, during our stay on Etna (JA). |