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: 10
Date published: June 18, 2018


SLAMMER is a Java program that facilitates performing a variety of sliding-block analyses to evaluate seismic slope performance

Date published: June 18, 2018


A Fortran-90 Computer program for time-dependent slope stability in response to rainfall infiltration.

Date published: June 18, 2018


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

Date published: June 18, 2018

JanbuGS, BishopGS, and FelleniusGS

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

Date published: June 18, 2018


Scoops3D is software to analyze three-dimensional slope stability throughout a digital landscape.

Date published: April 13, 2017

Pedestrian Evacuation Analyst Tool

The Pedestrian Evacuation Analyst is an ArcGIS extension that estimates how long it would take for someone to travel on foot out of a hazardous area that was threatened by a sudden event such as a tsunami, flash flood, or volcanic lahar. It takes into account the elevation changes and the different types of landcover that a person would encounter along the way.

Date published: April 26, 2016

Earthquake Software

Designed to facilitate the study of earthquakes, faults, and seismic related events.

Date published: April 26, 2016

Volcano software

Designed to facilitate the study of seismicity associated with volcanic activity.

Date published: April 26, 2016

Landslide software

Various software designed for landslide assessments and modeling.

Date published: January 1, 2011

USGS Twitter Earthquake Dispatch (@USGSted)

@USGSted (USGS Twitter Earthquake Dispatch) distributes Twitter alerts for earthquakes worldwide with magnitudes of 5.5 and above. When citizens feel shaking activity, they often use the popular social media application, Twitter, to "tweet" what they are experiencing.