seismic response

Seismic response to natural gas anomalies in crystalline rocks

This research further shows the increased porosity facilitates natural gas concentrations in top of the mid-crust to form some large gas reservoirs, which can…

Engineers Part of Nationwide Effort to Make Buildings Earthquake Safe

The structure, which resembled a parking garage, went through a series of earthquake jolts as powerful as magnitude 8.0. The one-million pound precast concrete…