M1.7 earthquake 21 km NNW of Ukiah, Oregon
A magnitude 1.7 earthquake struck 21 km NNW of Ukiah, Oregon on Mon, Aug 21, 2000, 4:52 PM PDT (23:52 UTC), 22 km (14 mi) below the surface.
A larger quake followed: M2.4 4 km ESE of Condon, Oregon. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (md), micro
- Local time
- UTC
- 2000-08-21 23:52:52 UTC
- Depth
- 22.2 km (13.8 mi), shallow
- Epicenter
- 45.306° N, 119.063° 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 1.5 km horizontally, 2.2 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 235°, poorly surrounded by stations
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.15 km SSE of Pilot Rock, Oregon · 9525 days ago · 27 km deep · 24 km away
- 2.44 km ESE of Condon, Oregon · 9504 days ago · -1 km deep · 84 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10508978. Read Wed, Sep 30, 2026, 6:12 AM UTC.