Makushin Volcano rock exposures, at elevation. The pyroclastic flows deposited by the eruptions forming the Caldera have engulfed valleys in the eastern, northeastern, northern, and western valleys of the valley with depths up to 100 m. The northeast border of the volcano is also filled with volcanic lava, which is called the “Lava Ramp” spreading to an area of . A subsidiary cone formed is the Pakushin Cone), on the south. In the east and southeast part of the volcano hot springs and fumaroles have been created, at the summit and in valleys. A valley of the same name stretches to the
Irazú Volcano Irazú Volcano The Irazú Volcano () is an active volcano in Costa Rica, situated in the Cordillera Central close to the city of Cartago. The name could come from either the combination of "ara" (point) and "tzu" (thunder) or a corruption of "Iztarú", which was the name of an indigenous village on the flanks of the volcano. In Costa Rica it is known by the name of "El Coloso" (The Colossus) due to the catastrophes that it has provoked in the past. The volcano's summit has several craters, one of which contains Diego de la Haya, a green crater lake