Pozzo del Merro
Pozzo del Merro is a flooded sinkhole in the countryside northeast of Rome, Italy. Situated at the bottom of an 80 m conical pit, at 392 m (1,286 ft) it is the second deepest underwater vertical cave in the world. In 2000 two ROVs were sent to explore its depths; the first, the "Mercurio (Mercury)" reached its maximum operative depth of 210 m (690 ft) without reaching the bottom. The second ROV, "Hyball 300", reached 310 m (1,020 ft) without touching down either. A third dive in 2002 with the more advanced "Prometeo" robot reached the bottom at 392 m (1,286 ft), but discovered a narrow passage continuing horizontally.The sinkhole, similar to the Zacatón cenote, was formed by volcanic activity eroding the carbonate rock.
Excerpt from the Wikipedia article Pozzo del Merro (License: CC BY-SA 3.0, Authors, Images).Pozzo del Merro
Località Selva,
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Geographical coordinates (GPS)
Latitude | Longitude |
---|---|
N 42.0393 ° | E 12.6805 ° |
Address
Pozzo del Merro
Località Selva
00013
Lazio, Italy
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