COSPEC traverse path - Kilauea Summit

Aerial photo of COSPEC traverse paths

Figure 2. Aerial view showing the summit COSPEC traverse path at Kilauea Caldera. The most notable sources of SO2 in the summit region are fumaroles in and near Halema`uma`u Crater, and solfataras within the caldera. During prevailing trade-wind conditions, the plume is blown across Crater Rim Drive and thus can be measured by driving underneath with a vehicle-mounted COSPEC (Map adapted from Hazlett, 1993).

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Updated: 12 Apr 1999