Apoyeque vulcano

Aggiornato: 16 ago. 2022 04:09 GMT - Refresh
pyroclastic shield 518 m / 1,699 ft
Nicaragua, 12.24°N / -86.34°W
Stato attuale: normal or dormant (1 di 5)
Last update: 15 dic 2021

Apoyeque volcano forms the broad Chiltepe Peninsula in western Nicaragua and extends into south central Lake Managua
The Apoyeque volcano is part of a larger volcanic complex and consists of a low 500 m high shield cut by a 2.8 km wide and 400 deep lake-filled caldera and a 2.5 x 3 km wide explosion crater, the lake-filled Xiloá (Jiloá) maar, immediately SE of Apoyeque.
Present activity consists of active fumaroles in Laguna Xiloá and at the northern caldera rim.

Mostra la mappa interattiva
Stile eruttivo tipico: explosive
Eruzioni del vulcano Apoyeque: 50 BC ± 100 (Chiltepe Tephra, Apoyeque), 1050 BC ± 100 (Los Cedros Tephra), 2550 BC ± 1000 (Mateare Tephra, West Chiltepe Peninsula), 4160 BC ± 30 (Laguna Xiloá)
Lastest nearby earthquakes:
Data / oraMag. / Prof.Distanza/Ubicazione
sabato, 13 agosto 2022 GMT (2 sismi)
13 ago 2022 00:44 (GMT -6) (13 ago 2022 06:44 GMT)
2.8

36 km
104 km (65 mi)
18 km a sud ovest da Juigalpa, Departamento de Chontales, Nicaragua
13 ago 2022 00:44 (GMT -6) (13 ago 2022 06:44 GMT)
2.8

113 km
63 km (39 mi)
25 km a sud ovest da Boaco, Nicaragua
giovedì, 4 agosto 2022 GMT (1 sismo)
3 ago 2022 18:59 (GMT -6) (4 ago 2022 00:59 GMT)
2.9

10 km
219 km (136 mi)
19 km a sud ovest da Rama, Atlantico Sur, Nicaragua
mercoledì, 3 agosto 2022 GMT (2 sismi)
3 ago 2022 13:09 (GMT -6) (3 ago 2022 19:09 GMT)
4.2

168 km
35 km (22 mi)
Masaya, 20 km a sud da Managua, Nicaragua
3 ago 2022 05:48 (GMT -6) (3 ago 2022 11:48 GMT)
2.9

216 km
143 km (89 mi)
55 km a nord est da Juigalpa, Departamento de Chontales, Nicaragua

Sfondo

Apoyeque is part of the Chiltepe pyroclastic shield volcano, one of 3 large ignimbrite shields on the Nicaraguan volcanic front. The caldera formed after a VEI 6 plinian eruption which left a thick mantle of dacitic pumice that blankets the surrounding area (Chiltepe Tephra).
Other features of the volcano include:
The Talpetatl lava dome was constructed between Laguna Xiloá and Lake Managua.
Pumiceous pyroclastic flows from Laguna Xiloá were erupted about 6100 years ago and overlie deposits of comparable age from the Masaya plinian eruption.
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Source: Smithsonian / GVP Apoyeque volcano information


See also: Sentinel hub | Landsat 8 | NASA FIRMS
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