M4.6 earthquake 2 km W of Sinking Spring, Pennsylvania
A magnitude 4.6 earthquake struck 2 km W of Sinking Spring, Pennsylvania on Sat, Jan 15, 1994, 8:49 PM EST (01:49 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1994-01-16 01:49:16 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 40.330° N, 76.037° W
- Region
- Pennsylvania
- Strongest shaking
- VI, strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VI, strong shaking
- Peak ground acceleration
- 58.5% of gravity
- Peak ground velocity
- 2.0 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.90 km SSE of Sinking Spring, Pennsylvania · 11937 days ago · 5 km deep · 3 km away
- 2.63 km SE of Clay, Pennsylvania · 11936 days ago · 5 km deep · 22 km away
Before
Earthquakes todayPennsylvania earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00066h6 (also filed as atlas19940116014916). Read Tue, Sep 22, 2026, 4:01 PM UTC.