The September 25, 1998 earthquake
M5.2Pymatuning, Pennsylvania
A magnitude 5.2 earthquake 3.1 miles deep, centred in Crawford County. The strongest in Pennsylvania’s record since 1900, and the strongest within 50 miles in the catalogue, which runs from 1900.
The earthquake
- Magnitude
- 5.2
- as reported (mbLg)
- Depth
- 3.1 mi
- 5.0 km below the surface
- Local time
- Friday, September 25, 1998
- 15:52 EDT; 19:52 UTC
- In Pennsylvania’s record
- 1st
- strongest of 35 since 1900
USGS ANSS Comprehensive Earthquake Catalog, event usp0008vh3 (“The 1998 Pymatuning, Pennsylvania Earthquake”). The USGS event page carries the ShakeMap, felt reports and the official summary.
Counties and cities within 50 miles
Distance from the epicentre to each county boundary (zero when inside) and to each city centre.
Counties
- Crawford CountyPA · inside
- Mercer CountyPA · 6.8 mi
- Trumbull CountyOH · 6.8 mi
- Ashtabula CountyOH · 6.8 mi
- Venango CountyPA · 20.1 mi
- Erie CountyPA · 25.4 mi
- Mahoning CountyOH · 25.9 mi
- Lawrence CountyPA · 26.2 mi
- Butler CountyPA · 30.1 mi
- Portage CountyOH · 33.5 mi
- Geauga CountyOH · 33.5 mi
- Lake CountyOH · 35.2 mi
- Warren CountyPA · 41.2 mi
- Columbiana CountyOH · 41.7 mi
- Clarion CountyPA · 41.7 mi
- Armstrong CountyPA · 42.7 mi
- Forest CountyPA · 45.0 mi
- Beaver CountyPA · 45.0 mi
- Chautauqua CountyNY · 47.5 mi
Cities, largest first
- EriePA · 45.9 mi
- YoungstownOH · 30.5 mi
- WarrenOH · 28.4 mi
- New CastlePA · 34.6 mi
- PainesvilleOH · 47.6 mi
- NilesOH · 28.4 mi
- AshtabulaOH · 34.0 mi
- HermitagePA · 18.5 mi
- SharonPA · 18.9 mi
- ConneautOH · 31.3 mi
- MeadvillePA · 16.3 mi
- SalemOH · 47.3 mi
Earthquakes around the epicentre
13 earthquakes of magnitude 3 or more within 50 miles of this epicentre since 1973.
USGS ANSS Comprehensive Earthquake Catalog. Local time is the time zone of the county nearest the epicentre. Magnitudes are as the catalogue reports them.