Acamarachi

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Acamarachi volcano

stratovolcano 6046 m / 19,836 ft
Northern Chile, Bolivia and Argentina, South America, -23.3°S / -67.62°W
Current status: (probably) extinct (0 out of 5)

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Typical eruption style: effusive, lava domes
Acamarachi volcano eruptions: none in recent times
Last earthquakes nearby:

Time	Mag. / Depth	Distance	Location
Fri, 31 May
Fri, 31 May 01:26 UTC	M 3.9 / 257 km	12 km	ANTOFAGASTA, CHILE
Fri, 10 May
Fri, 10 May 22:03 UTC	M 3.2 / 243 km	31 km	ANTOFAGASTA, CHILE

Acamarachi (also known as Cerro Pili) volcano is a stratovolcano in northern Chile. The andesitic-dacitic volcano has very steep slopes (45 deg angle) and forms the highest peak in this part of the Andes.
The volcano contains a poorly preserved summit crater and a large lava dome on the north flank. There are no known lava flows from Holocene times, suggesting the volcano might be extinct.
The summit crater contains a lake about 10-15 m in diameter, which is possibly the second highest crater lake in the world.
Acamarachi is located very close to Colachi volcano, which is only 6 km NNW, but both volcanoes have independent magma systems.

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