| (1) | VOLCANO OBSERVATORY NOTICE FOR AVIATION - VONA | ||
| (2) | Issued | : | 20221027/0200Z |
| (3) | Volcano | : | Sorikmarapi (261120) |
| (4) | Current Aviation Colour Code | : | RED |
| (5) | Previous Aviation Colour Code | : | green |
| (6) | Source | : | Sorikmarapi Volcano Observatory |
| (7) | Notice Number | : | EXERCISE-2022SOR003 |
| (8) | Volcano Location | : | S 0 deg 41 min 10 sec E 99 deg 32 min 13 sec |
| (9) | Area | : | North Sumatra, Indonesia |
| (10) | Summit Elevation | : | 6864 FT (2145 M) |
| (11) | Volcanic Activity Summary | : | Eruption with volcanic ash cloud at 0200 UTC (0900 local). |
| (12) | Volcanic Cloud Height | : | Best estimate of ash-cloud top is around 46864 FT (14645 M) above sea level or 40000 FT (12500 M) above summit. May be higher than what can be observed clearly. Source of height data: ground observer. |
| (13) | Other Volcanic Cloud Information | : | Ash cloud moving from west to northwest. Volcanic ash is observed to be gray to dark. The intensity of volcanic ash is observed to be thick. |
| (14) | Remarks | : | Eruption and ash emission is continuing. Eruption recorded on seismogram with maximum amplitude 240 mm and maximum duration 350 second. Tremor recorded on seismogram with maximum amplitude 240 mm. Eruption and ash emission is continuing. Eruption and ash emission is continuing. Eruption with volcanic ash cloud at 02.00 UTC (0900 local). Ash cloud moving to the west-northwest. Monitoring and awareness for the Mount Sorik Marapi eruption. |
| (15) | Contacts | : | Center for Volcanology and Geological Hazard Mitigation (CVGHM). Tel: +62-22-727-2606. Facsimile: +62-22-720-2761. email : pvmbg@esdm.go.id |
| (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. Link: https://magma.esdm.go.id/vona |
