Brevia

Bang! Month-Scale Eruption Triggering at Santorini Volcano

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Science  29 Aug 2008:
Vol. 321, Issue 5893, pp. 1178
DOI: 10.1126/science.1159584

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Abstract

The time lag between intrusion of fresh, hot magma and an ensuing eruption is of critical importance in both understanding the triggering and mitigating the consequences of volcanic eruptions. This work looks at material erupted during 1925‐28 at the Nea Kameni volcanic center in Santorini, Greece, to determine this time scale. By exploiting Fe-Mg diffusion in olivine crystals, we constrained the intrusion-to-eruption time lag to between 3 and 10 weeks. These techniques have potential application at many volcanic centers; previously erupted material can be used to calibrate records of the short‐time scale processes common to many volcanic centers.

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