M2.6 earthquake 15 km WNW of Ione, Oregon
A magnitude 2.6 earthquake struck 15 km WNW of Ione, Oregon on Mon, Aug 21, 1972, 4:16 AM PDT (11:16 UTC), 7 km (4 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.6 (md), micro
- Local time
- UTC
- 1972-08-21 11:16:55 UTC
- Depth
- 6.8 km (4.2 mi), shallow
- Epicenter
- 45.575° N, 119.989° 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 5.9 km horizontally, 9.4 km in depth
- Magnitude uncertainty
- ±0.32
- Depth from
- Operator assigned
- Station coverage gap
- 286°, poorly surrounded by stations
- Stations used
- 20
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 2 in the 30 days before it.
After
- 2.120 km SW of Boardman, Oregon · 19751 days ago · 0 km deep · 19 km away
- 2.515 km WNW of Ione, Oregon · 19749 days ago · 0 km deep · 5 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10853843. Read Tue, Sep 22, 2026, 6:34 AM UTC.