Earthquake Hazards Program

Maps

Featured at the top are our most popular maps, but there are many, many more in various publications. The list below are interactive graphic-rich USGS geonarratives (Esri Story Maps).

Latest Earthquakes

Latest Earthquakes

Latest earthquakes map and list (past 24 hours, M2.5+) from the ANSS (Advanced National Seismic System). Tap/click on "gear icon" for options and settings.

View Earthquake Map

Faults

Faults

Interactive fault map and comprehensive geologically based information on known or suspected active faults and folds in the United States. Also, generalized fault data used in the hazard maps.

View Fault Map

Earthquake Scenarios

Earthquake Scenarios

Earthquake scenarios describe the expected ground motions and effects of specific hypothetical large earthquakes.

View Scenario Map
Filter Total Items: 7
Date published: August 26, 2021

2020-2021 Alaska Peninsula Earthquake Sequence

A summary of the earthquake sequence in the Alaska Peninsula during 2020 and 2021. On 29 July 2021, a magnitude (M) 8.2 earthquake occurred southeast of Perryville, Alaska, (south of the Alaska Peninsula). This event was preceded in 2020 by two nearby earthquakes. The first was a M7.8 earthquake (22 July 2020), followed three months later by a M7.6 earthquake (19 October 2020).

Date published: June 24, 2021

Intermountain West, U.S., 2020 Earthquakes

An interactive geonarrative with a plain-language summary of the four 2020 Intermountain West (IMW) earthquakes that occurred in Utah, Idaho, Nevada, and California.

Date published: February 23, 2021

Earthquake Tour of Santa Rosa, California

This geonarrative (Esri Story Map) takes you on a virtual tour of 1906 and 1969 earthquake damage in Santa Rosa, shows examples of buildings that have been retrofitted to protect against future earthquake shaking, and highlights locations where faulting from large earthquakes and slow fault slip (creep) is expressed at the ground surface. 

Date published: December 4, 2020

The 2019 Ridgecrest, California, Earthquake Sequence

This USGS geonarrative (Esri Story Map) summarizes the USGS response and findings after the M6.4 on July 4 and M7.1 on July 6, 2019 in Searles Valley, Southern California, and includes links to USGS research publications and data releases.

Date published: December 31, 2018

What to Expect in a Big Urban Earthquake

A geonarrative (Esri Story Map) that describes what can be expected in a large earthquake in a populated area. Big urban earthquakes are often regional disasters that affect millions of people and livelihoods. The more we know what to expect, the better we can prepare to reduce the impacts of the next one.

Date published: December 31, 2018

The HayWired Scenario: An Urban Earthquake in a Connected World

A geonarrative (Esri Story Map) describing what it might be like the next time the Hayward fault has a large earthquake. Scientists examined a hypothetical earthquake, the magnitude 7.0 HayWired earthquake scenario.

Date published: January 1, 2018

Hayward Fault Field Guide

An interactive geonarrative (Esri Story Map) showing 62 field trip stops for exploring the Hayward Fault in the East San Francisco Bay Region of California.