Global Volcanism Program | Image GVP-07816

This tall feature is a collapse remnant of a lava flow extruded from the Caliente vent on the eastern side of Santiaguito lava dome between January 1972 and May 1973. A period of increased lava effusion between 1972 and 1975 was unusual because large flows originated from vents at both ends of the dome complex. Photo by Bill Rose, 1978 (Michigan Technological University).

This tall feature is a collapse remnant of a lava flow extruded from the Caliente vent on the eastern side of Santiaguito lava dome between January 1972 and May 1973. A period of increased lava effusion between 1972 and 1975 was unusual because large flows originated from vents at both ends of the dome complex.

Photo by Bill Rose, 1978 (Michigan Technological University).

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Keywords: lava dome | spine | geology | outcrop

Santa María