Natural Hazards

Every year in the United States, natural hazard events threaten lives and livelihoods, resulting in deaths and billions of dollars in damage. Access the scientific data collected from monitoring, assessing, and conducting targeted research on a wide range of natural hazards.

Filter Total Items: 54
Date published: July 2, 2004

Swarm is a Java application designed to display and analyze seismic waveforms in real-time.

Swarm is a Java application designed to display and analyze seismic waveforms in real-time. Swarm can connect to and read from a variety of different static and dynamics data sources, including Earthworm waveservers, IRIS DMCs, SEED and SAC files, and simple ASCII. Swarm has both time- and frequency-domain analysis tools, along with a simple but powerful mapping platfrom. 

Date published: April 1, 2002


VolatileCalc calculates H2O-CO2-melt equilibrium for the rhyolite and basalt systems.

Date published: June 18, 2001


A Fortran-77 Computer Program to Calculate the Areal Distribution of Mapped Data Points Using Count-Circle Methodology.

Date published: April 4, 2000

JanbuGS, BishopGS, and FelleniusGS

Fortran-77 programs for limit-equilibrium slope-stability analysis.

Date published: January 1, 1992

SeisRisk III

Seisrisk III is the last published version of a series of programs used to produce probabilistic earthquake ground motion hazard maps for the United States from 1972 to 1992.

Date published: September 29, 1991

Slick Package

The slick package uses fault slip data (either field observations or from focal mechamism) to find the stress tensor that best explains the observations. Inputs are the orientation and slip direction of a set of fault planes.