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ERUPTION SUMMARY OF SANTORINI


Event Magma composition Dating

(note: Plinian eruptions in bold)

     

Formation of the Kameni lava shield

dacite

197 BC to 1950 [1]

! Caldera collapse 4 !

Minoan eruption

rhyodacite, andesite

3,6 ka [2]

! Caldera collapse 3 !

Cape Riva eruption

rhyodacite, andesite

21 ka [3]

Formation of Therasia lava shield

 

rhyodacite, andesite

 

Eruption of the andesites of Oia

andesite

Upper Scoriae 2 eruption

 

andesite

40 ka [4]

Construction of Skaros lava shield

basalt-andesite

! Caldera collapse 2 !

Upper Scoriae 1 eruption

andesite

60-40 ka [4]

Vourvoulos eruption

andesite, dacite

Megalo Vouno and Kokkino Vouno cinder cones

andesite

50-70 ka [5]

Aspronisi tuff ring (also Kolumbus tuff ring ?)

Middle Pumice eruption

dacite, andesite

60 ka [4]

Cape Thera eruption

andesite

Construction of Simandiri lava shield

andesite

172+-33 ka [5]

! Caldera collapse 1 !

Lower Pumice 2 eruption

rhyodacite, andesite

180 [6]

Lower Pumice 1 eruption

rhyodacite, andesite

203+-24 ka [5]

Cape Therma 3 eruption

andesite

Extrusion of rhyodacites of Cape Alonaki + NE Thera

rhyodacite

257+- 36 ka; 224+-5 ka [5]

Cape Therma 2 eruption

rhyodacite

Cape Therma 1 eruption

andesite

Extrusion of the andesites of Cape Alai

andesite

364+-85 ka; 229+- 85 ka[5]

Balos, Kokkinopetra and Mavrorachidi cinder cones

basalt, andesite

344+- 25 ka [5]

Eruption of lavas of Peristeria 3

basalt, andesite

308-480 ka [5]

Extrusion of domes and flows of Peristeria 2

andesite

496+-16 ka [5]

Construction of Peristeria 1 core complex

andesite

528+-8  ka [5]

Eruption of early submarine centres of Akrotiri

rhyodacite

ca. 2,000-600 [4,5]


[1] Historic records

[2] Mean of radiocarbon ages on plant remains in tuffs (Friedrich and others, 1990)

[3] Mean of radiocarbon ages on plant remains in tuffs (Pichler and Friedrich, 1976) corrected using the data of Bard and others (1990)

[4] Friedrich (2000)

[5] Ar 39-40 data from Druitt and Sparks (1996)

[6] Constrained by age of Lower Pumice 1 and Simandiri Shield