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Vanuatu Volcanic Alert Level (VVAL)
| Lvl.0 | Normal low-level activity |
| Lvl.1 | Increased activity, danger near crater only |
| Lvl.2 | Moderate eruptions, danger close to the volcano vent, within parts of Volcanic Hazards Map Red Zone |
| Lvl.3 | Large eruption, danger in specific areas within parts of Volcanic Hazards Map Red and Yellow Zones |
| Lvl.4 | Very large eruption, island-wide danger (including areas within Red, Yellow and Green Zones) |
| Bulletin n°3 - Gaua Activity |
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VANUATU VOLCANIC ACTIVITY BULLETIN N°3 - GAUA ACTIVITY Tuesday, November 24th, 2009 GAUA VOLCANO 14°16’0”S 167°30’0”E Summit 2615ft (797m) Current Vanuatu Volcano Alert Level: Level 2 The Geo-hazards Officer who is responsible for the Gaua volcano monitoring works on Gaua has reported a big explosion of the Gaua volcano in November 18th 2009 at 2pm. This explosion has been followed by very thick and high emissions of ash columns that were covering the areas exposed to trade winds in the West.  Volcano-seismic data recorded by the monitoring station based in east Gaua shows the increase in volcano activity signals starting from October 25th. Until present, the data shows that the activity of Gaua volcano remains significant. With this trend, it is recommended that the Alert Level of the volcano be remained at level 2 according to the Vanuatu volcano Alert Levels (VVAL) while Geo-hazards is carrying out a very close monitoring with the IGNS counterparts. The danger persists in the red and yellow colour zones of the hazard map, especially the risks of ash falls and mudflows in the zone 1, zone 2 and zone 3 of the revised hazards map. You will be notified of any possible changes of activity or/and Alert Level of Gaua volcano that may occur. For specific information, please contact the Geo-Hazard section of the Department of Geology, Mines and Water Resources, telephone 22907/22423 email
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and
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or www.geohazards.gov.vu |