| (1) KVERT VOLCANIC ACTIVITY NOTICE (VAN) | |
| (2) Issued: | 20261026/1735Z |
| (3) Volcano: | Chikurachki (CAVW #290360) |
| (4) Current aviation colour code: | ORANGE |
| (5) Previous aviation colour code: | green |
| (6) Source: | KVERT |
| (7) Notice Number: | 2026-107 |
| (8) Volcano Location: | N 50 deg 19 min E 155 deg 28 min |
| (9) Area: | Northern Kuriles, Russia |
| (10) Summit Elevation: | 1816 m (5956.48 ft) |
| (11) Volcanic Activity Summary: | According to data by Tokyo VAAC and KVERT, the explosive eruption of Chicurachki volcano began plobably on 05:20 UTC on 26 October, 2026. The explosions sent ash up to 5.6 km a.s.l., and ash plume extended for 50 km to the east of the volcano. The explosive eruption of the volcano continues intermittently. KVERT continues to monitor Chikurachki volcano. An eruptive activity of the volcano is observing. Ash explosions up to 6 km (19,700 ft) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircraft. |
| (12) Volcanic cloud height: | NO ASH CLOUD PRODUCED |
| (13) Other volcanic cloud information: | NO ASH CLOUD PRODUCED |
| (14) Remarks: | |
| (15) Contacts: | Anastasiya S. Malysheva, IVS FEB RAS, mal-an@kscnet.ru, Duty scientist: +79622825253 |
| (16) Next Notice: | A new Notice will be issued if conditions change significantly or the colour code is changed. Notices are posted at http://kvert.febras.net. In Russia, KVERT, on behalf of the Institute of Volcanology and Seismology (IVS) FEB RAS, is responsible for providing information on volcanic activity to international air navigation services for the airspace users. |
CITATION GUIDELINES For formal scientific citation of this VONA/KVERT Information Release, please use the following: VONA/KVERT Information Release, October 26, 2026. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://kvert.febras.net/van/?n=2026-107. |
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