Report on Telica (Nicaragua) — March 1981

Scientific Event Alert Network Bulletin, vol. 6, no. 3 (March 1981)
Managing Editor: Lindsay McClelland.

Telica (Nicaragua) Holes in crater wall emit vapor plume; occasional minor ash eruptions

Please cite this report as:

Global Volcanism Program, 1981. Report on Telica (Nicaragua). In: McClelland, L (ed.), Scientific Event Alert Network Bulletin, 6:3. Smithsonian Institution. http://dx.doi.org/10.5479/si.GVP.SEAN198103-344040.

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Telica

Nicaragua

12.606°N, 86.84°W; summit elev. 1036 m

All times are local (unless otherwise noted)


"Two flights were made over the summit crater of Telica, in mid-February and mid-March. Two large holes (each with a diameter of approximately 20-30 m) occurred high on the NW wall of the crater. They are reported (by Alain Creusot, Instituto Nicaraguense de Energía) to coalesce at depth. One or both of them emitted a continuous vapor plume. Occasional minor ash eruptions were reported by local people."

Geologic Background. Telica, one of Nicaragua's most active volcanoes, has erupted frequently since the beginning of the Spanish era. This volcano group consists of several interlocking cones and vents with a general NW alignment. Sixteenth-century eruptions were reported at symmetrical Santa Clara volcano at the SW end of the group. However, its eroded and breached crater has been covered by forests throughout historical time, and these eruptions may have originated from Telica, whose upper slopes in contrast are unvegetated. The steep-sided cone of Telica is truncated by a 700-m-wide double crater; the southern crater, the source of recent eruptions, is 120 m deep. El Liston, immediately E, has several nested craters. The fumaroles and boiling mudpots of Hervideros de San Jacinto, SE of Telica, form a prominent geothermal area frequented by tourists, and geothermal exploration has occurred nearby.

Information Contacts: R. Stoiber, S. Williams, Dartmouth College; D. de Jerez, IRENA; D. Fajardo B., Instituto de Investigaciones Sísmicas.