Aramuaca, Laguna
"A solitary, 1-km-wide, lake-filled maar, Laguna Aramuaca, occupies a low-lying area about 10 km SE of the city of San Miguel. The Pan-American highway swings around the south side of the maar immediately north of the Río Grande de San Miguel. Laguna Aramuaca was mapped as Holocene by Weber and Wiesemann (1978), but has not been studied in detail. The low rim of the maar rises about 50-100 m above the countryside and reaches only 181 m above sea level. Spectacular pyroclastic-surge deposits are exposed by quarries near the rim of the maar."  -Smithsonian Volcano Archive
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