| (1) | VOLCANO OBSERVATORY NOTICE FOR AVIATION - VONA | ||
| (2) | Issued | : | 20230312/2359Z |
| (3) | Volcano | : | Semeru (263300) |
| (4) | Current Aviation Colour Code | : | ORANGE |
| (5) | Previous Aviation Colour Code | : | orange |
| (6) | Source | : | Semeru Volcano Observatory |
| (7) | Notice Number | : | 2023SMR085 |
| (8) | Volcano Location | : | S 08 deg 06 min 29 sec E 112 deg 55 min 12 sec |
| (9) | Area | : | East java, Indonesia |
| (10) | Summit Elevation | : | 11763 FT (3676 M) |
| (11) | Volcanic Activity Summary | : | Eruption with volcanic ash cloud at 2359 UTC (0659 local). |
| (12) | Volcanic Cloud Height | : | Best estimate of ash-cloud top is around 13363 FT (4176 M) above sea level or 1600 FT (500 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 to north. Volcanic ash is observed to be white to gray. The intensity of volcanic ash is observed to be thick. |
| (14) | Remarks | : | Eruption recorded on seismogram with maximum amplitude 22 mm and maximum duration 110 second. |
| (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 |
