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  • Mexico
  • Mexico
  • Shield
  • Unknown
  • Country
  • Subregion Name
  • Primary Volcano Type
  • Last Known Eruption
  • 29.07°N
  • 118.28°W

  • 1100 m
    3608 ft

  • 341006
  • Latitude
  • Longitude

  • Summit

  • Volcano

There are no activity reports for Guadalupe.

 Available Weekly Reports

There are no Weekly Reports available for Guadalupe.

There are no Holocene eruptions known for Guadalupe. If this volcano has had large eruptions prior to 10,000 years ago, information might be found in the LaMEVE (Large Magnitude Explosive Volcanic Eruptions) database, a part of the Volcano Global Risk Identification and Analysis Project (VOGRIPA).

The following references are the sources used for data regarding this volcano. References are linked directly to our volcano data file. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title. Additional discussion of data sources can be found under Volcano Data Criteria.

Batiza R, 1977. Petrology and chemistry of Guadalupe Island: an alkalic seamount on a fossil ridge crest. Geology, 5: 760-764.

Medina F, Suarez F, Espindola J M, 1989. Historic and Holocene volcanic centers in NW Mexico. Bull Volc Eruptions, 26: 91-93.

Elongated Guadalupe Island lies atop a fossil oceanic ridge crest about 300 km west of Baja California. The seamount, which rises above the Pacific Ocean surface to an elevation of 1100 m, contains two shield volcanoes, the northern of which is the youngest. Chains of cinder cones constructed along fissures oriented both NW-SE and NE-SW and associated lava flows overlie both shield volcanoes. The longest of these fissures cuts across the caldera of the northern volcano and extends beyond it to the SE. Other pyroclastic cones were constructed along an arcuate fissure near the southern caldera rim. The shield volcanoes and products of the fissure eruptions form a complete alkali basaltic-to-trachytic series reflecting a transition from submarine to subaerial volcanism. The 1100-m-high northern basaltic shield volcano was considered to be of Holocene age (Medina et al. 1989). Trachytic lava domes are found within the caldera of the northern shield volcano, and together with very fresh-looking alkali basalt lava flows, form the youngest volcanic rocks on the island.