This 1977 photo from the NW shows the summit crater of Ol Doinyo Lengai volcano prior to a decade-long eruption that began in 1983. The northern crater (left) has been active during historical time. An older southern crater is located behind the summit, which is the dark, rounded ridge below the upper right horizon. Prior to 1983 the northern crater was deep, with a steep-walled inner pit. Beginning in 1983, the slow effusion of lava flows on the crater floor began filling it.

Copyrighted photo by Katia and Maurice Krafft, 1977.

Copyrighted image used with permission. All Rights Reserved. Contact photographer for any usage requests.

Ol Doinyo Lengai