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Raikoke

Photo of this volcano
  • Russia
  • Kuril Islands
  • Stratovolcano
  • 2019 CE
  • Country
  • Volcanic Region
  • Primary Volcano Type
  • Last Known Eruption
  • 48.292°N
  • 153.25°E

  • 551 m
    1808 ft

  • 290250
  • Latitude
  • Longitude

  • Summit
    Elevation

  • Volcano
    Number
Most Recent Weekly Report: 26 June-2 July 2019 Citation IconCite this Report

SVERT and KVERT reported that during 25 June-1 July steam-and-gas plumes with ash rose 1.5-2 km above Raikoke and drifted WNW based on satellite images. The Aviation Color Code was lowered to Yellow on 25 June and then to Green on 27 June.

Sources: Kamchatkan Volcanic Eruption Response Team (KVERT), Sakhalin Volcanic Eruption Response Team (SVERT)

Weekly Reports - Index


2019: June


26 June-2 July 2019 Citation IconCite this Report

SVERT and KVERT reported that during 25 June-1 July steam-and-gas plumes with ash rose 1.5-2 km above Raikoke and drifted WNW based on satellite images. The Aviation Color Code was lowered to Yellow on 25 June and then to Green on 27 June.

Sources: Kamchatkan Volcanic Eruption Response Team (KVERT); Sakhalin Volcanic Eruption Response Team (SVERT)


19 June-25 June 2019 Citation IconCite this Report

A powerful eruption at Raikoke that began on 22 June (after 95 years of dormancy) was identified based on satellite observations, prompting KVERT and SVERT to raise the Aviation Color Code to Red. A series of at least nine explosions (six within the first 25 minutes) beginning at 0505 and continuing to about 1900 produced ash plumes, with a significant sulfur dioxide component, that rose 10-13 km (32,800-42,700 ft) a.s.l. and drifted E and NE. Lightning was detected in the eruption plumes. Strong explosions at 1640 on 22 June generated ash plumes that rose to 10-11 km (32,800-36,100 ft) a.s.l. The ash and gas was entrained by jet streams and by a cyclone around the Komandorskiye Islands, causing parts of the material to spiral counterclockwise as it drifted farther NE. By 23 June the leading edge of the plume had drifted 2,000 km ENE. According to a news article, at least 40 flights in that region were diverted.

On 23 June ash plumes continued to be visible, rising to 4.5 km and drifting NE. The Aviation Color Code was lowered to Orange. Gas-and-steam plumes possibly with some ash rose to 4.5 km (14,800 ft) a.s.l. and drifted 60 km NW. That same day observers on a passing ship approached the island from the W side; they photographed the island and sent out a drone. An expedition member noted that the entire island was mantled with light-colored ash deposits up to several dozen centimeters thick. In some of the drainages and at the base of some drainages deposits were several meters thick. In some areas along the shoreline waves interacted with the deposits, causing steam explosions and dark brown steam emissions. Gas-and-ash plumes rose 1.5 km above the summit crater rim and drifted W. Minor ashfall was reported in Severo-Kurilsk (340 km NE) during 1830-1920. On 25 June ash plumes continued to be produced, rising as high as 2 km (6,600 ft) a.s.l. and drifting NW.

Sources: Kamchatkan Volcanic Eruption Response Team (KVERT); Sakhalin Volcanic Eruption Response Team (SVERT); NHK (Japan Broadcasting Corporation)


The Global Volcanism Program has no Bulletin Reports available for Raikoke.

This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.

Eruptive History

There is data available for 4 Holocene eruptive periods.

Start Date Stop Date Eruption Certainty VEI Evidence Activity Area or Unit
2019 Jun 22 2019 Jul 1 Confirmed   Historical Observations
1924 Feb 15 Unknown Confirmed 4 Historical Observations
1778 Unknown Confirmed 4 Historical Observations
1765 ± 5 years Unknown Confirmed 2 Historical Observations
Deformation History

There is no Deformation History data available for Raikoke.

Emission History

There is no Emissions History data available for Raikoke.

Photo Gallery

Raikoke Island, seen here from the SE, lies 50 km SW of Shiashkotan Island and 16 km across the Golovnin Strait to the NE of its closest neighboring volcano on Matua Island. The summit of the low, 551-m-high Raikoke contains a steep-walled crater, 700 m wide and 200 m deep, that is highest on the SE side. The island is only 2 x 2.5 km wide and rises above a submarine terrace at a depth of 130 m. A catastrophic eruption in 1778 prompted the first volcanological investigation in the Kurile Islands two years later.

Photo by Yoshihiro Ishizuka, 2000 (Hokkaido University).
See title for photo information.
GVP Map Holdings

The maps shown below have been scanned from the GVP map archives and include the volcano on this page. Clicking on the small images will load the full 300 dpi map. Very small-scale maps (such as world maps) are not included. The maps database originated over 30 years ago, but was only recently updated and connected to our main database. We welcome users to tell us if they see incorrect information or other problems with the maps; please use the Contact GVP link at the bottom of the page to send us email.


Title: Kuril'skiye Ostrova
Publisher: DMA Aerospace Center
Country: Kuril-I
Year: 1989
Series: ONC
Map Type: Topographic
Scale: 1:1,000,000
Map of Kuril'skiye Ostrova

Title: USSR (Kamchatka S & Kuriles)
Publisher: DMA
Country: Kuril-I
Year: 1988
Series: TPC
Map Type: Topographic
Scale: 1:500,000
Map of USSR (Kamchatka S & Kuriles)

Title: Kuril'skye Ostrova
Publisher: DMA
Country: Kuril-I
Year: 1988
Series: TPC
Map Type: Topographic
Scale: 1:500,000
Map of Kuril'skye Ostrova

Title: Onnekotan-To
Publisher: US Army Map Service
Country: Kuril-I
Year: 1944
Series: AMS
Map Type: Topographic
Scale: 1:1,000,000
Map of Onnekotan-To

Title: Shimushiro-To
Publisher: US Army Map Service
Country: Japan
Year: 1944
Series: AMS
Map Type: Topographic
Scale: 1:1,000,000
Map of Shimushiro-To

Title: Ketoi
Publisher: US Army Map Service
Country: Japan
Year: 1944
Series: AMS
Map Type: Topographic
Scale: 1:250,000
Map of Ketoi

Title: Matsuwa
Publisher: US Army Map Service
Country: Japan
Year: 1944
Series: AMS
Map Type: Topographic
Scale: 1:250,000
Map of Matsuwa
Smithsonian Sample Collections Database

There are no samples for Raikoke in the Smithsonian's NMNH Department of Mineral Sciences Rock and Ore collection.

External Sites