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Kīlauea summit eruption in Halemaʻumaʻu crater - October 4, 2021

Detailed Description

A brief gap in the fume provides a clear view of the fountaining at the western vent in Halema‘uma‘u crater, at the summit of Kīlauea. Sulfur dioxide (SO2) emission rates remain elevated and were measured at approximately 7,000 tonnes per day on October 4. USGS photo taken by M. Patrick from the southern crater rim on October 4, 2021.

Sources/Usage

Public Domain.