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Earthquake Hazards Program products and tools to support earthquake-hazards decisions.

“Did You Feel It?” community intensity map indicating the severity of shaking felt by people in central California during the So

Real-time Earthquake Products

  • Aftershock Forecasts
    Forecasts are posted for earthquakes of M5+ in the United States and U.S. territories to provide situational awareness of the expected number of aftershocks.
     
  • Did You Feel It?
    DYFI is a citizen science web application that invites users to answer a questionnaire about their experience of an earthquake, and then creates a map of the felt shaking (macro seismic intensity) with all the information collected.
     
  • Early Warning/ShakeAlert®
    The ShakeAlert® earthquake early warning system monitors for significant earthquakes and issues alerts to warn that strong shaking is expected imminently.
     
  • Earthquake Notification Service (ENS)
    The Earthquake Notification Service (ENS) is a free service that can send you automated notification emails when earthquakes happen in your area.
     
  • Finite Faults
    Rapid finite-fault determination and source modeling waveform (WF), InSAR and real-time GPS modeling.
     
  • Ground Failure
    Near-realtime spatial estimates of earthquake-triggered landslide and liquefaction hazard following significant earthquakes worldwide.
     
  • Moment Tensors
    Automated computation of source duration and source-time function for all M6+ earthquakes.
     
  • PAGER
    PAGER rapidly assesses the overall impact (casualties and losses) for all damaging earthquakes within minutes of the earthquake.
     
  • ShakeMap
    ShakeMap is an emergency response tool designed to rapidly portray the extent and degree of damaging ground motions recorded in a seismic network.
     
  • ShakeCast
    An application for automating ShakeMap delivery to critical users and for facilitating notification of shaking levels at user-selected facilities.

Specialized Earthquake Catalogs

Hazard Assessment Data and Models

Faults and Folds

Geologic and Seismic Models

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