Software

MacRay is a general purpose two-dimensional seismic ray-tracer for Macintosh.

Models, Codes and Catalogs used to produce the National Seismic Hazard Maps.

OpenSHA is an effort to develop object-oriented, web- & GUI-enabled, open-source, and freely available code for conducting Seismic Hazard Analyses (SHA).

P PHASEP ICKER is a powerful tool for automatically picking P-phase onsets with high precision without requiring detection interval or threshold settings.

The Product Distribution Layer (PDL) is a USGS platform for receiving earthquake data over the Internet in near-real time.

PQLX is open-source software system for evaluating seismic station performance and data quality.