The maps displayed below show how earthquake hazards vary across the United States. Hazards are measured as the likelihood of experiencing earthquake shaking of various intensities.

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. 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.

2023年5月23日 · Search below to see your area. The US Geological Survey creates earthquake shaking models designed to inform municipalities about building codes and insurance companies about the risk of...

2024年1月16日 · USGS scientists and our partners recently revealed the latest National Seismic Hazard Model, showing that nearly 75% of the United States could experience a damaging earthquake, emphasizing seismic hazards span a significant part of the country.

Open the National Risk Index on a tablet or desktop to explore the National Risk Index map. Or, use the National Risk Index Data Lookup Mode to learn about risk for a county or census tract. The National Risk Index is a dataset and online tool to help illustrate the U.S communities most at risk for natural hazards.

2022年3月9日 · Earthquake hazard map showing peak ground accelerations having a 2 percent probability of being exceeded in 50 years, for a firm rock site. The map is based on the USGS models for the conterminous U.S. (2023), Hawaii (2021), and Alaska (2023).

2024年8月6日 · Earthquake hazard map showing peak ground accelerations having a 2 percent probability of being exceeded in 50 years, for a firm rock site. Web Map by CUSEC_RCOP

2024年1月18日 · What cities are most at risk of a strong earthquake? Here's what USGS map shows. The color-coded map is meant to provide a visual to allow for geologists and engineers to prepare for the looming...

2013年7月5日 · Geologists use earthquake risk maps to estimate stability and landslide potential of hillsides. The level of earthquake risk is important to engineers, particularly those involved in landfill and highway bridge construction.

2025年1月24日 · The color-coded map shows a range of earthquake probability across the U.S. Well known high-risk areas, such as California and Alaska, are coded in dark red, denoting the highest risk.