Monthly Archives: April 2008

Rabaul, Papua New Guinea

During 18-19 April, the Darwin VAAC reported that low-level ash-and-steam plumes from Rabaul were observed on satellite imagery drifting ESE. According to the VAAC, RVO advised that ash eruptions continued and rocks were expelled during explosions. RVO reported several explosions … Continue reading

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Kilauea, Hawaii, USA

Based on observations during helicopter overflights, visual observations from HVO and National Park Service (NPS) crews, and web camera views, HVO reported that during 16-22 April lava flowed SE through a lava tube system underneath Kilauea’s Thanksgiving Eve Breakout (TEB) … Continue reading

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Karymsky, Russia

KVERT reported that seismic activity at Karymsky was above background levels during 11-18 April. Based on seismic interpretation, weak ash-and-gas explosions or hot avalanches may have occurred daily during 10-14. Observations of satellite imagery revealed that a thermal anomaly was … Continue reading

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Fuego, Guatemala

INSIVUMEH reported that explosions (1-2 per hour) from Fuego produced ash plumes to altitudes of 4.3-4.7 km (14,100-15,400 ft) a.s.l. during 15-21 April. The plumes drifted 5-8 km SW and ashfall was reported from areas downwind. The explosions produced rumbling … Continue reading

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Batu Tara, Komba Island, Indonesia

The Darwin VAAC reported that low-level ash-and-steam plumes from Batu Tara were observed on satellite imagery during 20-21 April. Source: Darwin Volcanic Ash Advisory Centre – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s … Continue reading

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Arenal, Costa Rica

In March, activity originating from Arenal’s Crater C consisted of gas emissions, sporadic Strombolian eruptions, and occasional avalanches from lava-flow fronts that traveled down the SW flanks. Volcanic activity was at relatively low levels and few eruptions occurred. Acid rain … Continue reading

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Krakatau, Indonesia

CVGHM reported that seismicity from Anak Krakatau increased during 14-21 April; the number of events per day peaked on 20 April. Ash plumes accompanied by propelled incandescent rocks were noted during field observations on 16, 17, and 18 April. The … Continue reading

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