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Volcán Apoyeque

Apoyeque

Caldera · Nicaragua · 518m

Apoyeque stratovolcano forms the large Chiltepe Peninsula in central Lake Managua. A 2.8-km wide, 500-m-deep caldera truncates the volcano's summit, below and to the left of the airplane wing. Laguna de Jiloa, the large lake in the foreground, lies immediately SE of Apoyeque. The age of the latest eruption of Apoyeque is not known, but human footprints underlie pumice deposits thought to originate from Apoyeque volcano or a nearby vent beneath Lake Managua. Momotombo volcano is visible in the distance to the NW across Lake Managua.
Apoyeque stratovolcano forms the large Chiltepe Peninsula in central Lake Managua. A 2.8-km wide, 500-m-deep caldera truncates the volcano's summit, below and to the left of the airplane wing. Laguna de Jiloa, the large lake in the foreground, lies immediately SE of Apoyeque. The age of the latest eruption of Apoyeque is not known, but human footprints underlie pumice deposits thought to originate from Apoyeque volcano or a nearby vent beneath Lake Managua. Momotombo volcano is visible in the distance to the NW across Lake Managua. · Photo: Photo by Jaime Incer, 1981. · Wikimedia Commons
Type
Caldera
Country
Nicaragua
Region
Middle America-Caribbean Volcanic Regions / Central America Volcanic Arc
Elevation
518m
Coordinates
12.242, -86.342
Last eruption
-50
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Caldera
Major rock type
Dacite
Geological summary

The Apoyeque volcanic complex occupies the broad Chiltepe Peninsula, which extends into south-central Lake Managua. The peninsula is part of the Chiltepe pyroclastic shield volcano, one of three large ignimbrite shields on the Nicaraguan volcanic front. A 2.8-km wide, 400-m-deep, lake-filled caldera whose floor lies near sea level truncates the low Apoyeque edifice, which rises only about 500 m above the lake shore. The caldera was the source of a thick deposit of dacitic pumice that covers the surrounding area. The 2.5 x 3 km lake-filled Xiloá (Jiloá) maar is located immediately SE of Apoyeque. The Talpetatl lava dome was constructed between Laguna Xiloá and Lake Managua. Pumiceous pyroclastic flows from Laguna Xiloá were erupted about 6,100 years ago and overlie deposits of comparable age from the Masaya Plinian eruption.

From Wikipedia

Apoyeque is a pyroclastic shield, located in the Chiltepe Peninsula Natural Reserve in Nicaragua. It has a 2.8-km wide, 400-m-deep, lake-filled caldera.

Wikipedia · CC BY-SA · Read full article →

Eruption history

Summary (VEI over time)
Click a bar to see individual eruptions
4160 BCE~3964 BCE · 1 eruptions · max VEI 52594 BCE~2399 BCE · 1 eruptions · max VEI 51224 BCE~1029 BCE · 1 eruptions · max VEI 4246 BCE~50 BCE · 1 eruptions · max VEI 64160 BCE3181 BCE2203 BCE1224 BCE246 BCE

Detailed timeline

  1. 50 BCE (±100 yrs)VEI 6Geological estimate
    BCE 50 – Ongoing
    Apoyeque
  2. 1050 BCE (±1000 yrs)VEI 4Geological estimate
    BCE 1050 – Ongoing
  3. 2550 BCE (±1500 yrs)VEI 5Geological estimate
    BCE 2550 – Ongoing
    W Chiltepe Peninsula
  4. 4160 BCE (±30 yrs)VEI 5Geological estimate
    BCE 4160 – Ongoing
    Laguna Xiloá

External links

⚠ For reference only. Not for emergency response.