Petrology and geochemistry of the recent eruption history at Rabaul Caldera, Papua New Guinea : implications for magmatic processes and recurring volcanic activity
The initial phase (Phase 1 - 19 September 1994 to 16 April 1995) of the current (1994-2003) eruption at Rabaul Caldera occurred with synchronous vulcanian and vulcanian-plinian eruptions from Tavurvur and Vulcan, respectively, on opposing sides of the caldera. A second phase of activity (Phase 2), beginning on 28 November 1995 and continuing until the present (2003), is characterised by intermittent vulcanian and strombolian eruptions that are restricted to Tavurvur, on the northeastern...[Show more]
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