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Kenya · Shield volcano

Emuruangogolak

Type
Shield volcano
Elevation
1285m
Last eruption
1910
The broad Emuruangogolak shield volcano is situated at a narrow constriction in the East African Rift. The volcano is capped by a 5 x 3.5 km wide summit caldera. The trachytic lava cone of Emuruepoli and its associated dome are visible on the N rim of the caldera. Since caldera formation about 38,000 years ago, trachytic and basaltic lava flows have been erupted within the caldera and on the flanks. The latest eruption occurred less than one hundred years ago.
The broad Emuruangogolak shield volcano is situated at a narrow constriction in the East African Rift. The volcano is capped by a 5 x 3.5 km wide summit caldera. The trachytic lava cone of Emuruepoli and its associated dome are visible on the N rim of the caldera. Since caldera formation about 38,000 years ago, trachytic and basaltic lava flows have been erupted within the caldera and on the flanks. The latest eruption occurred less than one hundred years ago. · Photo: Photo by Martin Smith, 1993 (copyright British Geological Survey, NERC).
Type
Shield volcano
Country
Kenya
Region
Eastern Africa / Kenyan Rift Volcanic Province
Elevation
1285m
Coordinates
1.500, 36.330
Last eruption
1910
Tectonic setting
Rift zone / Continental crust (> 25 km)
Landform
Shield
Major rock type
Trachyte / Trachydacite

Geological summary

The broad Emuruangogolak shield volcano is situated at a narrow constriction in the Gregory Rift and almost completely straddles it.

Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →

From Wikipedia

Emuruangogolak is an active shield volcano straddling the Gregory Rift in Kenya, in Eastern Africa. It has a 3.5-by-5.0-kilometre caldera on its summit. The last known eruption was a trachyte flow which occurred in 1910. Steam vents and fumarolic activity continues from fissures within the caldera and along the flanks of the volcano. Several maar lakes exist in the rift valley adjacent to the volcano. The volcano's summit is at an elevation of 1,285 metres (4,216 ft), and its formation is calculated to have been 38,000 years ago.

Wikipedia · CC BY-SA · Read full article →

Eruption history

8 recordedGlossary

Record summary

Confirmed eruptions
8
Uncertain eruptions
0
Span of confirmed record
8050 BCE (±1000 yrs) – 1910
Largest confirmed eruption
VEI 0 (1910, the most recent of 6)
Confirmed eruptions since 1900
1
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
8050 BCE~7718 BCE · 1 eruptions · max VEI ?6722 BCE~6390 BCE · 1 eruptions · max VEI ?914~1246 · 3 eruptions · max VEI 01246~1578 · 1 eruptions · max VEI 01578~1910 · 2 eruptions · max VEI 08050 BCE5726 BCE3070 BCE746 BCE1578

Detailed timeline

  1. 1910 (±50 yrs)VEI 0Geological estimate
    1910-07-02 – end unknown
    South caldera rim
  2. 1700 (±100 yrs)VEI 0Geological estimate
    1700 – end unknown
    South caldera rim
  3. 1300 (±150 yrs)VEI 0Geological estimate
    1300 – end unknown
    NE flank
  4. 1230 (±150 yrs)VEI 0Geological estimate
    1230 – end unknown
    NE flank
  5. 1160 (±150 yrs)VEI 0Geological estimate
    1160 – end unknown
    NE flank
  6. 1120 (±150 yrs)VEI 0Geological estimate
    1120 – end unknown
    North flank
  7. 6550 BCE (±1500 yrs)VEI ?Geological estimate
    6550 BCE – end unknown
    North flank
  8. 8050 BCE (±1000 yrs)VEI ?Geological estimate
    8050 BCE – end unknown
    North flank

Nearby volcanoes

External links

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