Ulawun volcano (Papua New Guinea) activity summary 1-31 August 2013 - intermittent ash emissions
Wed, 11 Sep 2013, 10:05 | BY: T
RVO reported that activity at Ulawun was low during 4-31 August; emissions from the summit crater consisted of white vapor until 16 August, and were gray during 17-31 August.Emissions were more energetic on 24 August, rising 200 m. A single booming noise and weak incandescence was also reported that day. RSAM values fluctuated but decreased overall.
(Smithsonian/USGS Weekly Volcanic Activity Report)
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Wed, 4 Sep 2013, 06:00
Ulawun volcano (New Britain, Papua New Guinea) - Smithsonian / USGS Weekly Volcanic Activity Report for 4 September-10 September 2013 (Continuing Activity)
RVO reported that activity at Ulawun was low during 4-31 August; emissions from the summit crater consisted of white vapor until 16 August, and were gray during 17-31 August. Emissions were more energetic on 24 August, rising 200 m. A single booming noise and weak incandescence was also reported that day. ... Read all
Tue, 6 Aug 2013, 10:05
Ulawun volcano (New Britain, Papua New Guinea) activity update: steaming, degassing
RVO reported that activity at Ulawun was low during 22 July-4 August; emissions from the summit crater consisted of white vapor. Seismicity was also low. RSAM values decreased from 80 on 21 July to 50 on 31 July, and then began to increase on early 2 August. By 4 August RSAM values reached 600, attributed to an increase in volcanic tremor. Read all
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