Earthquake Information for Pennsylvania

Yearly Average Number of Earthquakes in Pennsylvania
1
Total Number of Earthquakes in Pennsylvania since 1931
67
Counties With The Highest Risk Of Earthquakes
Select a year:
  • No Earthquakes reported
  • Cameron County, PA Probability: 0.362%
  • Clinton County, PA Probability: 0.399%
  • Elk County, PA Probability: 0.402%
  • Potter County, PA Probability: 0.404%
  • Indiana County, PA Probability: 0.409%
  • Tioga County, PA Probability: 0.421%
  • Washington County, PA Probability: 0.423%
  • Lycoming County, PA Probability: 0.437%
  • Westmoreland County, PA Probability: 0.443%
  • Greene County, PA Probability: 0.444%
  • Jefferson County, PA Probability: 0.449%
  • Fayette County, PA Probability: 0.473%
  • Clearfield County, PA Probability: 0.474%
  • Bradford County, PA Probability: 0.474%
  • Allegheny County, PA Probability: 0.482%
  • McKean County, PA Probability: 0.496%
  • Somerset County, PA Probability: 0.497%
  • Union County, PA Probability: 0.510%
  • Cambria County, PA Probability: 0.514%
  • Armstrong County, PA Probability: 0.518%
  • Centre County, PA Probability: 0.526%
  • Sullivan County, PA Probability: 0.574%
  • Snyder County, PA Probability: 0.577%
  • Forest County, PA Probability: 0.588%
  • Juniata County, PA Probability: 0.597%
  • Susquehanna County, PA Probability: 0.611%
  • Mifflin County, PA Probability: 0.614%
  • Blair County, PA Probability: 0.633%
  • Warren County, PA Probability: 0.642%
  • Beaver County, PA Probability: 0.644%
  • Perry County, PA Probability: 0.653%
  • Montour County, PA Probability: 0.664%
  • Clarion County, PA Probability: 0.672%
  • Huntingdon County, PA Probability: 0.682%
  • Northumberland County, PA Probability: 0.687%
  • Cumberland County, PA Probability: 0.689%
  • Adams County, PA Probability: 0.707%
  • Bedford County, PA Probability: 0.723%
  • Wyoming County, PA Probability: 0.730%
  • Columbia County, PA Probability: 0.737%
  • Wayne County, PA Probability: 0.754%
  • Franklin County, PA Probability: 0.756%
  • Butler County, PA Probability: 0.801%
  • Fulton County, PA Probability: 0.868%
  • Lackawanna County, PA Probability: 0.904%
  • Luzerne County, PA Probability: 0.959%
  • Dauphin County, PA Probability: 1.015%
  • Venango County, PA Probability: 1.117%
  • York County, PA Probability: 1.194%
  • Lawrence County, PA Probability: 1.194%
  • Schuylkill County, PA Probability: 1.305%
  • Erie County, PA Probability: 1.342%
  • Pike County, PA Probability: 1.343%
  • Carbon County, PA Probability: 1.384%
  • Monroe County, PA Probability: 1.427%
  • Lebanon County, PA Probability: 1.496%
  • Mercer County, PA Probability: 1.771%
  • Northampton County, PA Probability: 1.775%
  • Lehigh County, PA Probability: 1.838%
  • Crawford County, PA Probability: 1.877%
  • Berks County, PA Probability: 1.966%
  • Lancaster County, PA Probability: 1.979%
  • Philadelphia County, PA Probability: 2.237%
  • Delaware County, PA Probability: 2.278%
  • Bucks County, PA Probability: 2.294%
  • Montgomery County, PA Probability: 2.321%
  • Chester County, PA Probability: 2.350%
  • Pennsylvania Earthquake by county