Manam volcano (Papua New Guinea) - Smithsonian / USGS Weekly Volcanic Activity Report for 19 April-25 April 2017 (New Activity / Unrest)
Wed, 19 Apr 2017, 06:00
06:00 AM | BY: VNPale gray-to-brown plumes with a minor amounts of ash rose from both craters and drifted SE. RSAM values were about 75-150 units, but between about midnight and 0100 on 22 April they began to rise. RSAM values were 600 at 0500, and then they fluctuated between 400 and 1,400 units at least through 1400, the time of the report posting.
According to a news article from 25 April the Alert Level was raised to Stage 3, and an official on the island noted that women and children have begun to be evacuated to Bogia on the mainland.
Sources: Rabaul Volcano Observatory (RVO), Radio New Zealand
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From: Global Volcanism Program, 2017. Report on Manam. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 19 April-25 April 2017. Smithsonian Institution and US Geological Survey.
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Manam volcano (Papua New Guinea) - Smithsonian / USGS Weekly Volcanic Activity Report for 12 April-18 April 2017 (New Activity / Unrest)
RVO reported that incandescence from both Manam's Southern Crater and Main Crater fluctuated in intensity during 1-15 April, and incandescent material was occasionally ejected from the craters. RSAM values averaged around 100. On 15 April RSAM values fluctuated, with a peak of 450 at 0600 and other peaks throughout the day, though with RSAM values not as high. ... Read all
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