Rabaul, Papua New Guinea

RVO reported that during 7-13 May ash-and-steam plumes from multiple places inside Rabaul caldera’s Tavurvur cone rose to an altitude of 2.2 km (7,200 ft) a.s.l. and drifted S. Intermittent roaring and rumbling noises were reported. Incandescent tephra was occasionally visible at night. Based on observations of satellite imagery and reports from RVO, the Darwin VAAC reported that low-level ash plumes rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted SE during 8-9 May. Low-level plumes drifted NE during 10-11 May.

Sources: Steve Saunders, Rabaul Volcano Observatory (RVO), Darwin Volcanic Ash Advisory Center (VAAC) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”

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