Notes

  • Santiaguito is an active volcanic dome complex in Guatemala.

  • It is associated with Santa María volcano.

  • Santa María experienced a major eruption in 1902.

  • Santiaguito's active dome system developed subsequently and has remained active for decades.

  • The Caliente dome is a major centre of activity.

  • Volcanic hazards include:

    • Ash emissions

    • Explosions

    • Lava extrusion

    • Lahars

    • Pyroclastic hazards

The Smithsonian Global Volcanism Program records Santiaguito as a dacitic dome that has been active almost continuously since 1922.

Key Pointers

  • Country: Guatemala

  • Volcanic system: Santa María–Santiaguito

  • Major eruption: Santa María, 1902

  • Rock type: Dacitic

  • Important hazard: Lahars