Hazards

Ground-motion hazard maps originally created in 1996 and updated in 2002 and 2008.

Ground-motion hazard maps originally created in 1999 and updated in 2007.

Ground-motion hazard map (1998).

Ground motion hazard map (2003).

Probabilistic and deterministic hazard maps for urban areas using local geologic site effects.

Expected ground motions and effects of specific hypothetical large earthquakes using Shakemap.

Ground-motion hazard maps assuming faults are less likely to rupture after recent large events.

Probabilistic and deterministic ground motion hazard maps for SE Asia, Afghanistan, and Gujarat (India).

Ground motions from NEHRP Provisions, ASCE7 Standard, IBC, IRC, and NFPA 5000.

Ground motions from AASHTO Guide Specifications for LRFD Seismic Bridge Design.

Replot local portions of national hazard maps. You define center and span.

Map and table of probability that an earthquake with magnitude > M and distance < R will occur in the next k years. Centered on user-supplied location.

Tables and plots of source contributions to hazard exceedance by magnitude, distance, ε and ε₀ in the conterminous US, Alaska, and Hawaii.

Tables of mean and modal magnitude and distance, and plot of contribution to hazard within specified ground-motion bands for conterminous US.

On-line SA or PGA maps for 2% or 10% in 50 year PE for conterminous US with features you can turn on and off. Zoom in or pan out.

Generates map and grid of Vs30 derived from topographic slope for anywhere in the world.