Earthquake triggering by static, dynamic, and postseismic stress transfer

Article Abstract:

Earthquake triggering is a process by which stress changes associated with an earthquake can induce or retard seismic activity in the surrounding region or trigger other earthquakes at great distances. The rapid remote triggering of earthquakes at great distances is explained by the passage of transient seismic waves, which either immediately induce Coulomb-type failure or initiate a secondary mechanism that induces delayed triggering.

Research and Development in the Physical, Engineering, and Life Sciences, Earthquake R&D, Seismological research, Shock waves

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Seismic triggering of eruptions in the far field: Volcanoes and geysers

Article Abstract:

An attempt is made to find out connections between catastrophic geological phenomena in order to determine whether earthquakes trigger volcanic eruptions. Also, the response of geysers to distant earthquakes is explained by changes in permeability, and the sensitivity of geysers to earthquakes compared with Earth tides and changes in barometric pressure suggests that dynamic strains cause the response.

United States, Volcanoes, Geysers

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Holocene earthquake records from the Cascadia subduction zone and northern San Andreas fault based on precise dating of offshore turbidities.

Article Abstract:

The preliminary evidence for a ~10,000-year earthquake record from two major fault systems based on sediment cores collected along the continental margins of western North America are presented. New stratigraphic evidence from Cascadia demonstrates that 13 earthquakes ruptured the entire margin from Vancouver Island to the California border.

History, Rocks, Sedimentary, Sedimentary rocks

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