|
|
Eruptive
History
|
Start Date |
Stop Date |
VEI |
Characteristics |
|
6/1/2007 |
April 2008 (continuing) |
3 |
Explosive Central Vent
Eruption, Lava Flows, Ash Columns |
|
7/1/2007 |
7/1/2006 |
1 |
Central Vent Eruption,
Lava Flows, Lava Lake Eruption |
|
8/1/2007 |
9/24/1993 |
2 |
Explosive Central Vent
Eruption, Lava Flows, Lava Lake Eruption |
|
9/1/2007 |
9/4/1967 |
3 |
Explosive Central Vent
Eruption, Damage to Land and Property |
|
10/1/2007 |
11/28/1966 (± 30 days) |
3 |
Explosive Central Vent
Eruption, Lava Flows, Damage, Evacuation |
|
2/6/1958 |
Unknown |
1 |
Central Vent Eruption,
Lava Flows (?) |
|
1/19/1955 |
1/20/1955 |
2 |
Explosive Central Vent
Eruption |
|
7/24/1940 |
February 1941 |
3 |
Explosive Central Vent
Eruption, Phreatic Eruptions, Damage, Lahars,
Evacuation |
|
1926 |
Unknown |
2 |
Central Vent Eruption |
|
2/1/1921 |
Unknown |
2 |
Explosive Central Vent
Eruption, Lahars |
|
12/1/1916 (± 30 days) |
June 1917 |
3 |
Explosive Central Vent
Eruption, Lava Flows, Damage |
|
8/15/1940 (± 270 days) |
1915 |
0 |
Central Vent Eruption,
Lava Flows |
|
1907 ± 3 years |
8/4/1910 |
0 |
Central Vent Eruption,
Lava Flows |
|
1904 |
Unknown |
0 |
Central Vent Eruption,
Lava Flows |
|
1882 |
1883 |
2 |
Explosive Central Vent
Eruption, Lava Flows (?) |
|
December 1880 |
Unknown |
2 |
Explosive Central Vent
Eruption |
|
1350 (?) |
Unknown |
? |
Explosive Eruption |
|
700 (?) |
Unknown |
? |
Explosive Eruption |
|
50 BC (?) |
Unknown |
? |
Explosive Eruption |
|
1550 BC (± 1000 yrs.) |
Unknown |
? |
Explosive Eruption |
Several eruptions have occurred
that are either unknown or discredited. Ol Doinyo
Lengai is poorly monitored, and therefore most of the
eruptive history is based upon historical records of the
locals. The oldest eruptions were determined by
tephrochronology.
All information is courtesy of
the Smithsonian Institute's Global Volcanism Program:
http://www.volcano.si.edu/world/volcano.cfm?vnum=0202-12=&volpage=erupt |
