M2.1 earthquake 20 km WNW of Forest Grove, Oregon
A magnitude 2.1 earthquake struck 20 km WNW of Forest Grove, Oregon on Thu, May 23, 2002, 2:43 PM PDT (21:43 UTC), -1 km (0 mi) below the surface.
A larger quake followed: M2.1 10 km WSW of Scappoose, Oregon. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (md), micro
- Local time
- UTC
- 2002-05-23 21:43:49 UTC
- Depth
- -0.6 km (-0.4 mi), shallow
- Epicenter
- 45.557° N, 123.365° W
- Region
- Oregon
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.1 km horizontally, 0.1 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- Operator assigned
- Station coverage gap
- 170°
- Stations used
- 9
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 2.111 km SE of Scotts Mills, Oregon · 8886 days ago · 19 km deep · 90 km away
- 2.110 km WSW of Scappoose, Oregon · 8877 days ago · 17 km deep · 33 km away
- 1.718 km E of Kelso, Washington · 8849 days ago · 14 km deep · 85 km away
- 1.619 km E of Kelso, Washington · 8847 days ago · 14 km deep · 86 km away
- 2.110 km WSW of Scappoose, Oregon · 8844 days ago · 16 km deep · 34 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10558823. Read Wed, Sep 30, 2026, 9:28 PM UTC.