Mortis, Lacus

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Lacus Mortis

Lat: 45.0°N, Long: 27.2°E, Diam: 151 km, Depth: km, Rükl 14

external image normal_lacus-mortis-clem1.jpg
Source of orbital photograph: Clementine -- processed by Paolo Amoroso.
Lacus Mortis is the dark mare-like area in the center. On its floor are Bürg, Rimae Bürg, and the Lacus Mortis Fault.


LPOD Photo Gallery Lunar Orbiter Images


(LAC zone 26B1) LAC map Geologic map

IAU page


Description: Wikipedia

Lacus Mortis

Additional Information

  • Mare area of 34,000 km^2 according to measurements by Jim Whitford-Stark.
  • The pasty region at Lacus Mortis
    As pointed out in LPOD 26 March 2010, a portion of the highlands west of Lacus Mortis take on a 'pasty-looking' appearance that has yet to be explained. The two images below show the region under different lighting conditions (left) easterly-lit, (right) westerly-lit. Both images were taken from the LROC series having WAC Nos. M116166990ME and M119694019ME respectively. Each was calibrated by the LROC_WAC_Previewer. Click image for larger view.- JohnMoore2

  • external image normal_lacus-mortis-pasty.jpg


  • The IAU name is Latin for "Lake of Death".
  • This feature was Catalog number 658 in the Collated List and in the original IAU nomenclature of Named Lunar Formations, where the name is attributed to Riccioli.
  • A previously undetected ridge which runs from the part of the Montes Caucasus near Eudoxus toward the southern rim of Lacus Mortis (over the couple Plana and Mason) to Williams is unofficially called Shannen Ridge by Maurice Collins (with Charles Wood co-author of the 21st Century Atlas of the Moon). The name Shannen Ridge is incorporated on chart 9 of this atlas.
  • Dorsum Burg (an unofficial name from D.Caes for the wrinkle ridge at the western part of Burg's rim, running from the northern to the southern parts of the rim of Lacus Mortis).

LROC Featured Images

Volcanoes in Lacus Mortis

LPOD Articles

Hiding a Mouse.
A Stained Death
Lake of Death
Tidbits of Strangeness

Lunar 100

L34: Strange crater with rille & ridge.


  • Wood, C.A. 12/2005. Exploring the Moon. S&T 110(6):63-64
  • Drawing and text by Alika Herring. S&T April 1960, p. 357.
  • Hill, Harold. A Portfolio of Lunar Drawings, pages 18, 19 (see also: Bürg).