Seismic Hazard Model, Maps, and Site-Specific Data

By Earthquake Hazards Program

Data, models, maps, source code, access to publications, and additional resources for seismic hazard assessments can be found below.

Year of model release for each region of the United States.

*CNMI, Commonwealth of the Northern Mariana Islands.
	U.S. Short- term	U.S. Long- term	Alaska	Hawaii	Puerto Rico & U.S. Virgin Islands	Guam & CNMI*	Samoa & Pacific Islands
2023		VIEW	VIEW
2021				VIEW
2018	VIEW	VIEW
2017	VIEW
2016	VIEW
2014		VIEW
2012						VIEW	VIEW
2007			VIEW
2008		VIEW
2003					VIEW
2002		VIEW
1999			VIEW
1998				VIEW
1996		VIEW

Unified Hazard Tool - Replaces most of the previous individual tools.

OpenSHA

Provides a platform that can accommodate both past and future models.
Uniform California Earthquake Forecasts (UCERFs)

Time-dependent earthquake probability maps for California from the Working Group on California Earthquake Probabilities.
Vs30 Data

Global data and U.S. data compilations.
Urban Seismic Hazards

Includes California, Central and Eastern U.S., Pacific Northwest hazard maps and data.
Foreign Hazard Maps

Includes Afghanistan, Sumatra, State of Gujarat, India. See also Global Earthquake Model (GEM).

-list of contacts for various products, and links to publications