This week in Lehigh Valley history: Big earthquake rattles nerves in 2011; Slate Belt distillery explosion in 1921 (Aug. 22-28) - lehighvalleylive.com
Small Earthquake Rattles Parts of New Jersey, Pennsylvania – NBC10 Philadelphia
Earthquakes in Erie are possible but uncommon | WJET/WFXP/YourErie.com
Ohio earthquake may have been felt in Pittsburgh area
Did you know Eastern Pennsylvania had an earthquake yesterday? | The Daily Pennsylvanian
Earthquake rattles parts of central Pennsylvania
What was the biggest earthquake in Pennsylvania's history?
Small explosions reported on Roosevelt Island after NYC earthquake
Record Earthquake Jars Pennsylvania; Damage Is Minimal - The New York Times
How big was Pennsylvania's worst earthquake?
Earthquakes in Pennsylvania: While they're not uncommon, their source remains a mystery - pennlive.com
2.1-magnitude earthquake shakes Berks County
Earthquake Felt In Central & Southern Pennsylvania Wednesday Night | WPSU
USGS detects 1.7 magnitude earthquake in Longswamp Township
A history of Lehigh Valley and PA earthquakes – The Morning Call
Earthquakes in Pennsylvania | Penn State University
4.4 Magnitude Earthquake Felt In Philly Region | Philadelphia, PA Patch
Historic Earthquakes Pennsylvania
Discover the Pennsylvania Town Most Likely to Experience an Earthquake - A-Z Animals
Quake Felt in Narberth, Lower Merion; Tell Patch About Your Experience | Narberth, PA Patch
Minor Ohio earthquake felt in some parts of Western Pa. | TribLIVE.com
Earthquakes do occur in Pennsylvania – The Mercury
USGS: Earthquake felt in Rockville early Tuesday morning
Do earthquakes happen in Pennsylvania?
2.2 magnitude earthquake rattles Berks County
Small Earthquake Shakes Parts Of Pennsylvania - CBS Philadelphia
Earthquake hits central Pennsylvania
