Alban Hills

Coordinates: 41°43′48″N 12°42′00″E / 41.73000°N 12.70000°E / 41.73000; 12.70000
Source: Wikipedia, the free encyclopedia.
Alban Hills
Colli Albani
Alban Lake
Highest point
PeakMaschio delle Faete
Elevation956 m (3,136 ft)
Coordinates41°43′48″N 12°42′00″E / 41.73000°N 12.70000°E / 41.73000; 12.70000
Geography
Alban Hills is located in Italy
Alban Hills
Alban Hills
East of Rome, Italy
Geology
Mountain typeStratovolcano
Last eruption5,000 BC

The Alban Hills (

Albano and Nemi. The hills are composed of peperino (lapis albanus), a variety of tuff that is useful for construction and provides a mineral-rich substrate for nearby vineyards
.

History

The hills, especially around the shores of the lakes, have been popular since prehistoric times. From the 9th to 7th century BC, there were numerous villages (see the legendary

Latini
during the 5th to 3rd centuries BC.

The ancient

triumphs in Rome. The foundations and some of the architectural fragments of the temple were still in existence until 1777, when they were used to build the Passionist monastery by Cardinal York,[1]
but the Via Triumphalis leading up to it can still be seen.

In Roman times, the area was often used by the rich as a way to escape the heat and crowds of Rome, as it is today as shown by the many villas and country houses present.

Towns and cities

The towns and villages in the Alban Hills are known as the

Castelli Romani
.

Volcanic activity

Aerial view showing the main caldera and several secondary ones around the rim
Topographic map of the Alban Hills showing the caldera rims

Examination of deposits have dated the four most recent eruptions to two temporal peaks, around 36,000 and 39,000 years ago.[2][3] The area exhibits small localised earthquake swarms, bradyseism, and release of carbon dioxide and hydrogen sulfide into the atmosphere. The uplift and earthquake swarms have been interpreted as caused by a slowly growing spherical magma chamber 5-6 kilometres below the surface;[4] some think that it may erupt again; if so, there is risk to Rome, which is only 25 to 30 km away.[5][6]

There is documentary evidence which may describe an eruption in 114 BC, but the absence of

forest fire.[4]

The volcano emits large amounts of

asphyxiation of 29 cows in September 1999 prompted a detailed survey, which found that concentration of the gas at 1.5 m above the ground in a residential area on the northwestern flank sometimes exceeded the occupational health threshold of 0.5%.[8] Eight sheep were killed in a similar incident in October 2001.[9]

People

Louis Gurlitt, Alban Hills (1850)

Writers and artists who have produced work about this area include:

Panorama

The Alban Hills.

See also

References

  1. ^  One or more of the preceding sentences incorporates text from a publication now in the public domainChisholm, Hugh, ed. (1911). "Albanus Mons". Encyclopædia Britannica. Vol. 1 (11th ed.). Cambridge University Press. p. 487.
  2. ^ Freda, Carmela; et al. (2006). "Eruptive history and petrologic evolution of the Albano multiple maar (Alban Hills, Central Italy)". Bulletin of Volcanology. 68 (6): 567–591.
    S2CID 128473558
    . Retrieved 2019-05-17.
  3. .
  4. ^ a b Behncke, Boris (2003). "Italy's Volcanoes: The Cradle of Volcanology". Archived from the original on 13 February 2006.
  5. .
  6. ^ Carapezza, M. L.; Barberi, F.; Tarchini, L.; Ranaldi, M.; Ricci, T. (2010). "Volcanic hazards of the Colli Albani". In Funiciello, R.; Giordano, G. (eds.). The Colli Albani Volcano. Special Publications of IAVCEI #3. London: Geological Society. pp. 279–297.
  7. S2CID 128647166
    .
  8. ^ "Occupational Health Guideline for Carbon Dioxide" (PDF). National Institute for Occupational Safety and Health, United States Center for Disease Control. 1975. Archived (PDF) from the original on 7 June 2009.
  9. .

External links