North America Regional Moment Tensor Solutions

The development and deployment of digital broadband seismographs provides the data required to rapidly assess earthquake size, determine source parameters and better characterize ground motions affecting earthquake hazard. The focus of regional moment tensor analysis is to estimate the moment magnitude, faulting parameters and source depth of earthquakes that are too small to be recorded teleseismically. Thus, they have the potential of extending the earthquake catalog to magnitudes less than about M4-4.5. This collection of regional moment tensor solutions for North America (southern and eastern Alaska, conterminus US and Canada) are generally complete (M4 or larger) outside of California. These results are the work of Dr. Robert [...]