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Grímsnes

Photo of this volcano
  • Country
  • Volcanic Region
  • Landform | Volc 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 available 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 VEI: 2 (?)

Episode 1 | Eruption 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 VEI: 0

Episode 1 | Eruption 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 VEI: 0

Episode 1 | Eruption 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 VEI: 0

Episode 1 | Eruption 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 VEI: 2 (?)

Episode 1 | Eruption 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 VEI: 0

Episode 1 | Eruption 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 VEI: 3

Episode 1 | Eruption 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 VEI: 2 (?)

Episode 1 | Eruption 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 VEI: 0

Episode 1 | Eruption 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
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 VEI: 3

Episode 1 | Eruption 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

Maps are not currently available due to technical issues.

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.

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