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Grímsnes

Photo of this volcano
  • Country
  • Primary Volcano Type
  • Last Known Eruption
  •  
  • 64.05°N
  • 20.883°W

  • 200 m
    656 ft

  • 371060
  • Latitude
  • Longitude

  • Summit
    Elevation

  • Volcano
    Number

The Global Volcanism Program has no activity reports for Grímsnes.

The Global Volcanism Program has no Weekly Reports available for Grímsnes.

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

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 11 confirmed Holocene eruptive periods.

3500 BCE (?) Confirmed Eruption Max VEI: 2

Episode 1 | Eruption Episode Kalfsholar
3500 BCE (?) - Unknown Evidence from Correlation: Tephrochronology

List of 5 Events for Episode 1 at Kalfsholar

Start Date End Date Event Type Event Remarks
   - - - -    - - - - Explosion
   - - - -    - - - - Lava flow
   - - - -    - - - - Cinder Cone
   - - - -    - - - - Tephra
3500 BCE (?)    - - - - VEI (Explosivity Index)

3650 BCE (?) Confirmed Eruption Max VEI: 0

Episode 1 | Eruption Episode Borgarholar
3650 BCE (?) - Unknown Evidence from Correlation: Tephrochronology

List of 2 Events for Episode 1 at Borgarholar

Start Date End Date Event Type Event Remarks
   - - - -    - - - - Lava flow
3650 BCE (?)    - - - - VEI (Explosivity Index)

3750 BCE (?) Confirmed Eruption Max VEI: 0

Episode 1 | Eruption Episode Raudholar
3750 BCE (?) - Unknown Evidence from Correlation: Tephrochronology

List of 2 Events for Episode 1 at Raudholar

Start Date End Date Event Type Event Remarks
   - - - -    - - - - Lava flow
3750 BCE (?)    - - - - VEI (Explosivity Index)

3900 BCE (?) Confirmed Eruption Max VEI: 0

Episode 1 | Eruption Episode Kolgrafarholl
3900 BCE (?) - Unknown Evidence from Correlation: Tephrochronology

List of 2 Events for Episode 1 at Kolgrafarholl

Start Date End Date Event Type Event Remarks
   - - - -    - - - - Lava flow
3900 BCE (?)    - - - - VEI (Explosivity Index)

4000 BCE (?) Confirmed Eruption Max VEI: 2

Episode 1 | Eruption Episode Alftarholl
4000 BCE (?) - Unknown Evidence from Correlation: Tephrochronology

List of 4 Events for Episode 1 at Alftarholl

Start Date End Date Event Type Event Remarks
   - - - -    - - - - Explosion
   - - - -    - - - - Lava flow
   - - - -    - - - - Cinder Cone
4000 BCE (?)    - - - - VEI (Explosivity Index)

4050 BCE (?) Confirmed Eruption Max VEI: 0

Episode 1 | Eruption Episode Borgaholl
4050 BCE (?) - Unknown Evidence from Correlation: Tephrochronology

List of 3 Events for Episode 1 at Borgaholl

Start Date End Date Event Type Event Remarks
   - - - -    - - - - Lava flow weak or small
   - - - -    - - - - Cinder Cone
4050 BCE (?)    - - - - VEI (Explosivity Index)

4270 BCE ± 150 years Confirmed Eruption Max VEI: 3

Episode 1 | Eruption Episode Kerholar
4270 BCE ± 150 years - Unknown Evidence from Isotopic: 14C (uncalibrated)

List of 5 Events for Episode 1 at Kerholar

Start Date End Date Event Type Event Remarks
   - - - -    - - - - Explosion
   - - - -    - - - - Lava flow violent, strong, or large
   - - - -    - - - - Cinder Cone
   - - - -    - - - - Tephra
4270 BCE ± 150 years    - - - - VEI (Explosivity Index)

4450 BCE (?) Confirmed Eruption Max VEI: 2

Episode 1 | Eruption Episode Selholl North
4450 BCE (?) - Unknown Evidence from Correlation: Tephrochronology

List of 4 Events for Episode 1 at Selholl North

Start Date End Date Event Type Event Remarks
   - - - -    - - - - Explosion
   - - - -    - - - - Lava flow
   - - - -    - - - - Cinder Cone
4450 BCE (?)    - - - - VEI (Explosivity Index)

4500 BCE (?) Confirmed Eruption Max VEI: 0

Episode 1 | Eruption Episode Selholl South
4500 BCE (?) - Unknown Evidence from Correlation: Tephrochronology

List of 2 Events for Episode 1 at Selholl South

Start Date End Date Event Type Event Remarks
   - - - -    - - - - Lava flow
4500 BCE (?)    - - - - VEI (Explosivity Index)

6250 BCE (?) Confirmed Eruption  

Episode 1 | Eruption Episode
6250 BCE (?) - Unknown Evidence from Isotopic: 14C (calibrated)

List of 2 Events for Episode 1

Start Date End Date Event Type Event Remarks
   - - - -    - - - - Explosion
   - - - -    - - - - Scoria

7750 BCE (?) Confirmed Eruption Max VEI: 3

Episode 1 | Eruption Episode Seydisholar
7750 BCE (?) - Unknown Evidence from Isotopic: 14C (calibrated)

List of 4 Events for Episode 1 at Seydisholar

Start Date End Date Event Type Event Remarks
   - - - -    - - - - Explosion
   - - - -    - - - - Lava flow
   - - - -    - - - - Ash
7750 BCE (?)    - - - - VEI (Explosivity Index)
Deformation History

There is no Deformation History data available for Grímsnes.

Emission History

There is no Emissions History data available for Grímsnes.

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: Rangarvellir
Publisher: DMA
Country: Iceland
Year: 1989
Series: C761
Map Type: Topographic
Scale: 1:50,000
Map of Rangarvellir

Title: Midsudurland
Publisher: Geodetic Institute, Landmaelingar Islands
Country: Iceland
Year: 1988
Map Type: Topographic
Scale: 1:250,000
Map of Midsudurland

Title: Geomorphology of Iceland
Publisher: University of Goteborg, Dept Phys Geog
Country: Iceland
Year: 1984
Map Type: Geology (Geomorphology)
Scale: 1:1,750
Map of Geomorphology of Iceland

Title: Geographical Names of Iceland
Publisher: University of Goteborg, Dept Phys Geog
Country: Iceland
Year: 1984
Map Type: Unknown
Scale: 1:1,750
Map of Geographical Names of Iceland

Title: Marteinstunga
Publisher: US Army Map Service
Country: Iceland
Year: 1950
Series: C762
Map Type: Topographic
Scale: 1:50,000
Map of Marteinstunga

Title: Storinupur
Publisher: US Army Map Service
Country: Iceland
Year: 1950
Series: C762
Map Type: Topographic
Scale: 1:50,000
Map of Storinupur
Smithsonian Sample Collections Database

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

External Sites