|(1)||VOLCANO OBSERVATORY NOTICE FOR AVIATION - VONA|
|(3)||Volcano||:||Anak Krakatau (262000)|
|(4)||Current Aviation Colour Code||:||YELLOW|
|(5)||Previous Aviation Colour Code||:||unassigned|
|(6)||Source||:||Anak Krakatau Volcano Observatory|
|(8)||Volcano Location||:||S 06 deg 06 min 07 sec E 105 deg 25 min 23 sec|
|(10)||Summit Elevation||:||157 FT (49 M)|
|(11)||Volcanic Activity Summary||:||Seismograph at Anak Krakatau Volcano Observatory detected an eruption occurred at 05:51 Local Time or 22:51 UTC, but the eruption was not observed visually from the observatory because of cloudy weather. The seismicity increased before the eruption, preceded by a swarm of volcanic earthquakes about 1 day before and significantly increased 3 hours before the eruption. After the eruption, seismic activity decreases gradually.|
|(12)||Volcanic Cloud Height||:||Volcanic ash is not visible/observed.|
|(13)||Other Volcanic Cloud Information||:||-|
|(14)||Remarks||:||Seismicity is dominated by shallow volcanic earthquakes. however deep volcanic and local tectonic earthquakes are often recorded.|
|(15)||Contacts||:||Center for Volcanology and Geological Hazard Mitigation (CVGHM).
email : email@example.com
|(16)||Next Notice||:||A new VONA will be issued if conditions change significantly or the colour code is changes.
Latest Volcanic information is posted at VONA | MAGMA Indonesia Website.