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Global Volcanism Program | Image GVP-07254

Scoria from the 1904 eruption of Santa Ana volcano form the darker deposits blanketing the rim of the summit crater.  The first of two 20th-century eruptions from Santa Ana began on January 12 and lasted for about two weeks, during which phreatomagmatic explosions ejected these scoriae. Photo by Carlos Pullinger, 1996 (Servicio Nacional de Estudios Territoriales, El Salvador).

Scoria from the 1904 eruption of Santa Ana volcano form the darker deposits blanketing the rim of the summit crater. The first of two 20th-century eruptions from Santa Ana began on January 12 and lasted for about two weeks, during which phreatomagmatic explosions ejected these scoriae.

Photo by Carlos Pullinger, 1996 (Servicio Nacional de Estudios Territoriales, El Salvador).


Santa Ana