The long-term growth of volcanic edifices: numerical modelling of the role of dyke intrusion and lava-flow emplacement
The contribution of intrusive complexes to volcano growth is attested by field observations
and by the monitoring of active volcanoes. We used numerical simulations to quantitatively
estimate the relative contributions to volcano growth of elastic dislocations related to dyke
intrusions and of the accumulation of lava flows. The ground uplift induced by dyke
intrusions was calculated with the equations of Okada (Bull. Seismol. Soc. Am., 75 (1985)
1135). The spreading of lava flows was simulated as the flow of a Bingham fluid. With …
and by the monitoring of active volcanoes. We used numerical simulations to quantitatively
estimate the relative contributions to volcano growth of elastic dislocations related to dyke
intrusions and of the accumulation of lava flows. The ground uplift induced by dyke
intrusions was calculated with the equations of Okada (Bull. Seismol. Soc. Am., 75 (1985)
1135). The spreading of lava flows was simulated as the flow of a Bingham fluid. With …
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