The wake of a legendary earthquake

Article Abstract:

The study of plate tectonics and sea-floor sediments in the Cascadia subduction zone is not sufficient to predict or eliminate the occurrence of a giant earthquake around the area in the future. Geological analyses began in the late 1980s have shown that Cascadia has experienced large earthquakes in the past 2,000 years, failing to identify whether these were giant earthquakes or were actually a series of smaller ones. A study by Kenji Satake and his colleagues revealed that the Japanese flooding on Jan. 27 or 29, 1700 was due to tsunamis caused by a giant earthquake in Cascadia.

Research, Analysis, North America, Natural disasters, Seismological research, Tsunamis

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Real-time seismology and earthquake hazard mitigation

Article Abstract:

Real-time earthquake information systems could feasibly be developed with the ability to warn of seismic waves while also helping urban areas to manage the aftermath of earthquakes. Data may also be provided for improving building codes and other mitigation strategies. A real-time system would involve the use of computers, digital communications, data acquisition systems and seismic sensor technology. Short-term prediction cannot yet be made, however, due to the highly complex nature of earthquake processes.

Usage, Equipment and supplies, Earthquake resistant design, Real time systems, Real-time systems

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A great earthquake doublet and seismic stress transfer cycle in the central Kuril islands

Article Abstract:

A report based on two great earthquakes that occurred near the Kuril islands is presented. It helps to understand the stress transfer process within the subducting lithosphere and earthquake activity.

Methods, Observations, Rock mechanics

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