Post-earthquake ground movements correlated to pore-pressure transients

Article Abstract:

Research indicates that in the post-seismic deformation, poro-elastic rebound dominates during the initial period following earthquake. Pore pressure in the shallow crust rapidly equilibrate leading to aftershock decay. Data point out that aftershock duration is controlled by failure of faults in a time-dependent manner.

Iceland, Influence, Stress analysis (Engineering), Residual stresses, Earthquake intensity

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Unusually large earthquakes inferred from tsunami deposits along the Kurli trench

Article Abstract:

The deposits of prehistoric tsunamis are used to infer the infrequent occurrence of larger earthquakes generated from longer ruptures. Earthquakes that individually rupture multiple segments along the southern Kuril trench describe numerical simulations of prehistoric tsunami.

Tsunamis

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Widespread uplift and 'trapdoor' faulting on Galapagos volcanoes observed with radar interferometry

Article Abstract:

Radar interfermetry observations of faults in Galapagos volcanoes are examined in detail.

Analysis, Natural history, Volcanological research, Galapagos Islands

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