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Apoyo volcano

Updated: Sep 30, 2022 17:18 GMT -
Caldera 600 m / 1969 ft
Nicaragua, 11.92°N / -86.03°W
Current status: (probably) extinct (0 out of 5)

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Typical eruption style: unspecified
Apoyo volcano eruptions: None during the past 10,000 years
Less than few million years ago (Pleistocene)

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Sunday, September 25, 2022 GMT (1 quake)
Sep 25, 2022 3:44 am (GMT -6) (Sep 25, 2022 09:44 GMT)
1.3

4 km
13 km (8.1 mi)
7 Km Al Sureste De Granada, Nicaragua
Saturday, September 24, 2022 GMT (3 quakes)
Sep 24, 2022 8:06 am (GMT -6) (Sep 24, 2022 14:06 GMT)
2.5

105 km
41 km (25 mi)
Carazo, 43 km south of Masaya, Nicaragua
Sep 24, 2022 5:14 am (GMT -6) (Sep 24, 2022 11:14 GMT)
2.6

5 km
30 km (19 mi)
21 km east of Nandaime, Granada, Nicaragua
Sep 23, 2022 10:11 pm (GMT -6) (Sep 24, 2022 04:11 GMT)
2.6

5 km
35 km (22 mi)
15 km southwest of Jinotepe, Carazo, Nicaragua

Background

The scenic 7-km-wide, lake-filled Apoyo caldera is a large silicic volcanic center immediately SE of Masaya caldera. The surface of Laguna de Apoyo lies only 78 m above sea level; the steep caldera walls rise about 100 m to the eastern rim and up to 500 m to the western rim. An early shield volcano constructed of basaltic-to-andesitic lava flows and small rhyodacitic lava domes collapsed following two major dacitic explosive eruptions. The caldera-forming eruptions have been radiocarbon dated between about 21,000-25,000 years before present. Post-caldera ring-fracture eruptions of uncertain age produced lava flows below the scalloped caldera rim. The slightly arcuate, N-S-trending La Joya fracture system that cuts the eastern flank of the caldera only 2 km east of the caldera rim is a younger regional fissure system structurally unrelated to Apoyo caldera.
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Source: Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8 | NASA FIRMS
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